Locations test with duplicate coords

locations.json

{
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    "photo_title": "222 Atardecer en Embalse",
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    "owner_name": "Miguel Coranti",
    "owner_url": "http://www.panoramio.com/user/4483"
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    "owner_name": "Miguel Coranti",
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  }, {
    "photo_id": 522084,
    "photo_title": "In Memoriam Antoine de Saint Exupéry",
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    "latitude": 47.867077,
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    "upload_date": "21 January 2007",
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    "owner_name": "Busa Péter",
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  }, {
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    "photo_title": "Rosina Lamberti,Sunset,Templestowe , Victoria, Australia",
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    "latitude": -37.766372,
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    "photo_title": "kin-dza-dza",
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    "latitude": 46.639301,
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    "owner_id": 13058,
    "owner_name": "Kyryl",
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    "photo_id": 25514,
    "photo_title": "Arenal",
    "photo_url": "http://www.panoramio.com/photo/25514",
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    "owner_name": "Roberto Garcia",
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    "photo_title": "Maria Alm",
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    "latitude": 47.409968,
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    "height": 333,
    "upload_date": "05 October 2006",
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    "owner_name": "Norbert MAIER",
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  }, {
    "photo_id": 532693,
    "photo_title": "Wheatfield in afternoon light",
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    "owner_id": 39160,
    "owner_name": "Snemann",
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    "photo_title": "Burg Hohenwerfen",
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    "owner_name": "Norbert MAIER",
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    "photo_title": "Thunderstorm in Martinique",
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    "owner_name": "Jean-Michel Raggioli",
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    "upload_date": "21 February 2007",
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    "owner_name": "Arcadi",
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    "owner_name": "Norbert MAIER",
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    "photo_title": "Antelope Canyon, Ray of Light",
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    "upload_date": "04 January 2007",
    "owner_id": 64388,
    "owner_name": "Artusi",
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    "latitude": 46.257746,
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    "upload_date": "28 November 2006",
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    "owner_name": "Michele Masnata",
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    "photo_id": 6463,
    "photo_title": "Guggenheim and spider",
    "photo_url": "http://www.panoramio.com/photo/6463",
    "photo_file_url": "http://mw2.google.com/mw-panoramio/photos/medium/6463.jpg",
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    "upload_date": "09 January 2006",
    "owner_id": 414,
    "owner_name": "Sonia Villegas",
    "owner_url": "http://www.panoramio.com/user/414"
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    "photo_id": 107980,
    "photo_title": "Mostar",
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    "owner_name": "Ziębol",
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    "photo_title": "Bora Bora",
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    "owner_name": "heavenearth",
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    "owner_name": "Kjetil Vaage Øie",
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}