{
   "station":[
      {
         "id_station":"191",
         "place":"Fila 9 del cultivo",
         "brand":"xxxx"
      },
      {
         "id_station":"999",
         "place":"Fila 2 del cultivo",
         "brand":"xxxx"
      }
   ],
   "_id":"5cc2e8d425c4b8ba6cb87bc0",
   "timestamp":"2018-09-25T11:26:23.166Z",
   "name":"xxxxxx",
   "fiware_Service":"xxxx",
   "fiware_ServicePath":"/xxxx",
   "usuario":null,
   "id_greenhouse":1
},
{
   "station":[
      {
         "id_station":"457",
         "place":"Fila 9 del cultivo",
         "brand":"xxxxx"
      },
      {
         "id_station":"012080F3",
         "place":"Fila 2 del cultivo",
         "brand":"xxxxx"
      }
   ],
   "_id":"5ce7ea5ec6b02a54c6a393c9",
   "timestamp":"2018-09-25T11:26:23.166Z",
   "name":"xxxx",
   "fiware_Service":"xxx",
   "fiware_ServicePath":"/xxxxx",
   "usuario":null,
   "id_greenhouse":3
}.......

<div class="col-md-4 text-center" *ngFor="let green of greenhouse;  let i = index">
            <a [routerLink]="['/greenhouse', green._id, green.station.id_station]" [routerLinkActive]="['active']">
                <img (click)="local(green.id_greenhouse)" src="assets/img/invernadero.jpg" width="100" height="100" alt="">
            </a>
            <hr>
            <b>{{green.name}}</b>
            <hr>
        </div>