text: var photos1 = [{
      lat: 24.000,
      lng: 99.000,
      thumbnail: "img/cluster/people1.jpg",
      url: "img/cluster/people1.jpg",
      caption: "Local people overlooking the xiaowan construction site; Photo by Bryan Tilt"
  }, {
      lat: 22.856,
      lng: 103.637,
      thumbnail: "img/cluster/people2.jpg",
      url: "img/cluster/people2.jpg",
      caption: "A local farmer; Photo by Bryan Tilt"
  },
      {
          lat: 25.425,
          lng: 102.000,
          thumbnail: "img/cluster/people3.jpg",
          url: "img/cluster/people3.jpg",
          caption: "The farmer walked to his agricultural site; Photo by Bryan Tilt"
      },
  ];
  
  var photos2 = [{
      lat: 25.00122820195785,
      lng:  98.75149536132814,
      thumbnail: "img/cluster/house1.jpg",
      url: "img/cluster/house1.jpg",
      caption: "House in village; Photo by Bryan Tilt"
  }, {
      lat: 24.897,
      lng: 99.68145751953126,
      thumbnail: "img/cluster/house2.jpg",
      url: "img/cluster/house2.jpg",
      caption: "Compensated house for Xiaowan; Photo by Bryan Tilt"
  }, {
      lat:  24.43714709713302,
      lng: 100.59288024902345,
      thumbnail: "img/cluster/house3.jpg",
      url: "img/cluster/house3.jpg",
      caption: "House in village; Photo by Bryan Tilt"
  }, ];
  
  var photos3 = [{
      lat:  24.897,
      lng: 99.68145751953126,
      thumbnail: "img/cluster/view1.jpg",
      url: "img/cluster/view1.jpg",
      caption: "Mountainous landscape; Photo by Bryan Tilt"
  }, {
      lat: 24.437,
      lng: 100.592,
      thumbnail: "img/cluster/village1.jpg",
      url: "img/cluster/village1.jpg",
      caption: "A village downstream of Manwan site; Photo by Bryan Tilt",
  }]
  
  
  