select * ,st_area(geom) from ST_dump(ST_GeomFromGeoJSON('{"type":"MultiPolygon","coordinates":[[[[26989.4997181935 ,3656.55484408608] ,[26985.1384667244,3660.59680565028] ,[26985.3975575702 ,3660.88430810321] ,[26989.5451317466,3665.44472257475]  ,[26994.8013215505,3671.43047649521]  ,[27000.9424147095 ,3678.37939461626]  ,[27004.9314354664,3682.68521336282],[27006.0940630988,3683.84889753323],[27006.8847044156,3684.37110829105],[27007.6864830472,3684.75998857335],[27008.3478997365,3684.95998428666],[27008.7555191044,3685.03037549022],[27008.7711971391,3684.74881067589],[27010.1222821198,3684.70337049968],[27010.1144431025,3685.00839904861],[27011.1334899337,3684.92236562669],[27011.8861881188,3684.71806759105],[27013.5167895152,3683.67400751935],[27015.8619426019,3681.63409373778],[27020.5568276256,3677.42357651909],[27025.8330995493,3672.63006246698],[27033.3180455839,3665.95809830809],[27036.8209010995,3662.79383017626],[27037.3997840896,3662.32924937221],[27038.091927693,3661.9023377001],[27038.834410053,3661.42520079013],[27040.1054366464,3660.94806388017],[27041.1876976692,3660.6090457637],[27041.8420856164,3660.44581475839],[27042.5298696204,3660.31141297609],[27043.7462614089,3660.17536271645],[27045.0307481067,3660.2195557483],[27046.6607171705,3660.44052253555],[27047.8694161091,3660.73526947023],[27049.0123842359,3661.16112774497],[27050.2437200449,3661.75331941872],[27051.1118554657,3662.27480159021],[27051.9818529311,3662.95858347913],[27052.796837463,3663.5507743388],[27053.4169364617,3664.25786936053],[27054.711311697,3665.73934821403],[27057.4728637239,3668.83704798165],[27061.1041208816,3672.87540473925],[27062.2406036277,3674.13102103126],[27063.2084188107,3675.10937401725],[27063.9068571419,3675.62156203281],[27065.0452972591,3676.16714697823],[27065.5741814905,3676.34602752843],[27066.4078436648,3676.48018753403],[27067.4387141618,3676.44441191243],[27068.364754087,3676.27493378854],[27069.2163440018,3676.06922091162],[27070.1396448785,3675.65779597181],[27070.9374515719,3675.06749129583],[27072.0686659391,3674.05233208471],[27080.0927596935,3666.87397033951],[27088.9438522987,3658.84404508865],[27091.6006894929,3656.44810870487],[27084.2651245431,3648.36374608139],[27075.0415766511,3638.24168595791],[27067.6854587777,3630.12608509641],[27063.1620977049,3625.09241318659],[27062.2223772929,3624.09831244146],[27061.3517190121,3623.55984357997],[27060.2737909292,3623.06279320738],[27058.919489209,3622.80045710722],[27051.297965899,3622.35845085172],[27035.5334084393,3621.39160136287],[27032.8524131698,3621.19829132661],[27031.7053812516,3621.1844946655],[27030.321961725,3621.37509209531],[27028.895591038,3621.72626498478],[27027.9508512275,3622.16985192106],[27026.8393948699,3622.89068099777],[27025.4315493029,3624.05509619668],[27022.2781226711,3626.97476203946],[27015.121856115,3633.40883829994],[27011.2279871108,3636.98699228375],[27003.0104822067,3644.38504680778],[26996.9977493815,3649.8191567127],[26989.4997181935,3656.55484408608]],[[26997.6338123668,3657.43026185824],[27001.5387159873,3661.75913581659],[27002.2357699094,3662.53187155207],[27003.3914493549,3661.48937946428],[27000.816049302,3658.63435836645],[27000.1552590239,3657.8805259029],[26998.8265103682,3656.3646835763],[27005.0964844342,3650.61744778216],[27006.4510865568,3652.13553704037],[27007.6368266137,3653.46438424445],[27009.0505292828,3652.29707345882],[27009.8542230295,3651.61136324159],[27007.3153139199,3648.5794899447],[27018.0832095056,3638.87613283193],[27020.7961084771,3641.78731384934],[27021.6825634756,3641.03503579404],[27021.396589356,3640.72230740062],[27022.7348002273,3639.43919508796],[27022.9819118173,3639.70942517261],[27023.7262445509,3639.03583488575],[27023.0845296113,3638.32062345939],[27021.1460900018,3636.16017171918],[27028.9084900504,3629.17605385152],[27030.8562593077,3631.34662007297],[27031.5818680281,3632.15522806005],[27032.6989557038,3631.15280343419],[27031.9590480953,3630.32826097047],[27030.0070200009,3628.15294876191],[27030.6264522683,3627.70739357188],[27031.3573181193,3627.43510905283],[27032.249287239,3627.21232433142],[27036.6048723734,3627.52186553666],[27052.2205041867,3628.54018170255],[27054.0539452941,3630.54520143682],[27049.8270283154,3634.3500418752],[27048.7935044467,3635.28036376918],[27050.2257512897,3636.85902676647],[27049.2638203737,3637.73174153836],[27049.2638125077,3637.73174863391],[27050.3630197701,3638.95030103764],[27051.8891032386,3637.573682333],[27051.2607359217,3636.87709077054],[27052.66496491,3635.61039210641],[27053.2933322268,3636.30698366888],[27054.6717303644,3635.06358597942],[27057.534816872,3632.50571226116],[27063.1425897157,3638.78921815965],[27063.3284550105,3639.0042522838],[27063.4458754969,3639.30725165185],[27063.4849868159,3639.56138941217],[27063.4458754969,3639.80574229467],[27063.3754693541,3640.00366409358],[27064.6516636173,3641.37198642341],[27064.2151801434,3641.78790202536],[27063.7903618261,3642.18633790558],[27063.7197676445,3642.25001808617],[27064.4177423651,3643.02377459475],[27064.4178524348,3643.02389661511],[27068.0946602459,3639.62249229205],[27071.7418163811,3643.57795798414],[27080.8509279882,3653.69347609576],[27078.3447849816,3655.87909109245],[27077.5943281556,3656.53356679035],[27077.6500047531,3656.59542661355],[27076.7307471173,3657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,[27043.3928124234,3653.23877064083]]]]}') :: geometry);
select *,ST_Area(geom) from ST_dump(ST_GeomFromGeoJSON('{"type":"MultiPolygon","coordinates":[[[[26989.49971819346,3656.554844086084],[26985.1384667244,3660.596805650281],[26985.39755757016,3660.884308103206],[26989.54513174659,3665.444722574753],[26994.80132155049,3671.430476495206],[27000.94241470951,3678.379394616257],[27004.93143546637,3682.685213362823],[27006.0940630988,3683.848897533226],[27006.8847044156,3684.371108291055],[27007.68648304723,3684.759988573347],[27008.34789973646,3684.959984286655],[27008.75551910439,3685.030375490223],[27008.77119713908,3684.748810675893],[27010.12228211979,3684.703370499683],[27010.11444310247,3685.008399048613],[27011.13348993365,3684.922365626694],[27011.8861881188,3684.718067591047],[27013.51678951518,3683.674007519349],[27015.86194260189,3681.634093737779],[27020.55682762564,3677.423576519093],[27025.83309954926,3672.630062466978],[27033.31804558387,3665.958098308092],[27036.82090109951,3662.793830176259],[27037.39978408956,3662.329249372207],[27038.09192769297,3661.902337700096],[27038.83441005295,3661.425200790134],[27040.10543664641,3660.948063880172],[27041.18769766917,3660.609045763699],[27041.8420856164,3660.44581475839],[27042.52986962043,3660.311412976091],[27043.74626140893,3660.175362716454],[27045.03074810669,3660.219555748302],[27046.66071717054,3660.440522535554],[27047.86941610908,3660.735269470226],[27049.01238423595,3661.161127744966],[27050.24372004488,3661.753319418723],[27051.11185546566,3662.274801590215],[27051.98185293106,3662.958583479132],[27052.79683746296,3663.550774338797],[27053.41693646174,3664.257869360528],[27054.71131169701,3665.739348214029],[27057.4728637239,3668.837047981647],[27061.10412088162,3672.875404739254],[27062.24060362773,3674.131021031263],[27063.20841881066,3675.109374017247],[27063.90685714185,3675.621562032811],[27065.04529725914,3676.167146978226],[27065.57418149049,3676.346027528427],[27066.40784366484,3676.480187534031],[27067.43871416178,3676.444411912434],[27068.36475408703,3676.274933788543],[27069.21634400185,3676.069220911621],[27070.13964487848,3675.657795971809],[27070.9374515719,3675.067491295831],[27072.06866593912,3674.05233208471],[27080.09275969354,3666.87397033951],[27088.94385229869,3658.844045088653],[27091.60068949289,3656.448108704875],[27084.26512454313,3648.363746081388],[27075.04157665107,3638.241685957906],[27067.68545877768,3630.126085096414],[27063.16209770492,3625.092413186587],[27062.2223772929,3624.098312441459],[27061.35171901205,3623.559843579972],[27060.27379092921,3623.06279320738],[27058.91948920899,3622.800457107219],[27051.29796589902,3622.358450851719],[27035.53340843934,3621.391601362873],[27032.85241316978,3621.198291326607],[27031.70538125155,3621.1844946655],[27030.32196172499,3621.375092095313],[27028.89559103802,3621.72626498478],[27027.95085122754,3622.169851921059],[27026.83939486989,3622.890680997774],[27025.43154930286,3624.055096196676],[27022.27812267115,3626.974762039459],[27015.12185611503,3633.408838299943],[27011.22798711082,3636.98699228375],[27003.01048220668,3644.385046807784],[26996.99774938149,3649.819156712703],[26989.49971819346,3656.554844086084]]],[[[26997.63381236684,3657.43026185824],[26993.31296681889,3661.40409934401],[26996.26156543372,3664.730575667555],[26995.44255745833,3665.460503780954],[26994.31386603,3666.51814046709],[26994.60686275341,3666.84294896664],[26994.90996592593,3667.17896121118],[26995.21044735851,3667.512067063435],[26995.5453520346,3667.883333622564],[26995.8802567107,3668.254600181693],[26996.2151613868,3668.625866740824],[26996.5500660629,3668.997133299952],[26996.3166035559,3669.207730466234],[26997.93234359461,3670.998897587605],[26996.97457889066,3671.86285872299],[26999.06518259421,3674.180447275557],[26999.54406494619,3673.748466707865],[27000.02294729819,3673.316486140168],[27004.35325853367,3678.116955847214],[27004.94648257441,3677.581832226962],[27008.8017362955,3681.855665606254],[27009.62788909508,3681.110426292469],[27009.75811431598,3681.254790564219],[27011.29947115371,3679.864394365583],[27011.38302779218,3679.526292151389],[27011.37218276572,3679.158018410813],[27011.26376134376,3678.919728385661],[27011.10111478924,3678.713932047158],[27010.87629718057,3678.478234976992],[27012.80591606415,3676.737603155192],[27012.91664477976,3676.890309870966],[27013.76678460129,3676.152102983349],[27016.41441652246,3678.952910711608],[27024.92782554371,3671.254929651823],[27021.84880552764,3667.859012637137],[27022.80376566136,3667.032027591983],[27023.89921449978,3668.246413505258],[27024.78399821317,3667.448285595097],[27024.5657144573,3667.206301936053],[27025.97669331292,3665.933514487238],[27026.0829420501,3665.620178127046],[27026.14137828341,3665.372121161516],[27026.11216016676,3665.036520482066],[27026.00994002327,3664.817647744172],[27025.84954688965,3664.599301677024],[27027.70949009879,3662.921521487283],[27027.13460132714,3662.284214840491],[27026.16023898237,3661.204062245113],[27029.011409293,3658.632135832942],[27030.04526606691,3659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       ') :: geometry);