Sustainability certification in Dortmund

[ { "HotelID": 78063, "Latitude": 51.49404, "Longitude": 7.46916 , "Price": 159 }, { "HotelID": 78044, "Latitude": 51.517476, "Longitude": 7.468989 , "Price": 101 }, { "HotelID": 7420246, "Latitude": 51.518146, "Longitude": 7.466689 , "Price": 83 }, { "HotelID": 78046, "Latitude": 51.515149, "Longitude": 7.462876 , "Price": 91 }, { "HotelID": 78045, "Latitude": 51.517596, "Longitude": 7.463193 , "Price": 96 }, { "HotelID": 78066, "Latitude": 51.512047, "Longitude": 7.467771 , "Price": 85 }, { "HotelID": 78069, "Latitude": 51.4991, "Longitude": 7.45146 , "Price": 94 }, { "HotelID": 78055, "Latitude": 51.505303, "Longitude": 7.533183 , "Price": 52 }, { "HotelID": 368175, "Latitude": 51.517541, "Longitude": 7.464513 , "Price": 68 }, { "HotelID": 12862963, "Latitude": 51.51605, "Longitude": 7.46017 , "Price": 115 }, { "HotelID": 3213258, "Latitude": 51.490499, "Longitude": 7.503234 , "Price": 81 }, { "HotelID": 2913582, "Latitude": 51.5179552, "Longitude": 7.4651851 , "Price": 66 }, { "HotelID": 78065, "Latitude": 51.504388, "Longitude": 7.475523 , "Price": 83 }, { "HotelID": 78064, "Latitude": 51.49558, "Longitude": 7.42544 , "Price": 116 }, { "HotelID": 323960, "Latitude": 51.494894, "Longitude": 7.443921 , "Price": 56 }, { "HotelID": 78059, "Latitude": 51.501473, "Longitude": 7.458726 , "Price": 125 }, { "HotelID": 2913324, "Latitude": 51.513842, "Longitude": 7.463389 , "Price": 82 } ]