Voli:Mostrare le 10 rotte più eco NON IT

db.parsed_data.aggregate(
      //{$unwind: "$Segments"},
     {
    $match : {$and: [{"Destination.Country" : {$ne:"IT"} },{"Origin.Code":"AHO"},{"Destination.Code":"TRN"}]}},

    {$unwind: "$Segments"},


    {

        $group : {_id : "$Segments" ,  minprice: { $min: "$Price"}}
    }
    ,
   { $sort : {"minprice": 1}} )