geotagg

html,
body,
#map {
  height: 100%;
  width: 100%;
  padding: 0px;
  margin: 0px;
  font-family: "Helvetica Neue", Helvetica, Arial, sans-serif;
  color: #333;
}

.infopop h4 {
  font: 14px/16px Arial, Helvetica, sans-serif;
  font-weight: bold;
  margin: 0 0 0px;
  color: #777;
}

// set center coordinates
var coords = [34.069, -118.293];
// set default zoom level
var zoomLevel = 12;
// initialize map
var map = L.map('map').setView(coords, zoomLevel);
// set source for map tiles
ATTR = '© OpenStreetMap contributors, ' +
  'CC-BY-SA | ' +
  '© CartoDB';
CDB_URL = 'http://{s}.basemaps.cartocdn.com/light_all/{z}/{x}/{y}.png';
// add tiles to map
L.tileLayer(CDB_URL, {
  attribution: ATTR
}).addTo(map);

var photos = [{
  "lat": 34.04555452,
  "lng": -118.3001509,
  "name": "C.H. Johnston, 1951",
  "url": "http://41.media.tumblr.com/8dd3cc5931650a6a772db77f6fad797b/tumblr_n5c7uw79Yn1tq6tdto1_400.jpg",
  "thumbnail": "http://40.media.tumblr.com/8dd3cc5931650a6a772db77f6fad797b/tumblr_n5c7uw79Yn1tq6tdto1_75sq.jpg"
}, {
  "lat": 34.0522683,
  "lng": -118.2698607,
  "name": "L.A. Paving Co., Inc., 1925",
  "url": "http://41.media.tumblr.com/83454d0e9cddfa5e9dcf2911ad9f803c/tumblr_n3q2xjrmvk1tq6tdto1_400.jpg",
  "thumbnail": "http://41.media.tumblr.com/83454d0e9cddfa5e9dcf2911ad9f803c/tumblr_n3q2xjrmvk1tq6tdto1_75sq.jpg"
}, {
  "lat": 34.06281904,
  "lng": -118.2809651,
  "name": "Buxton & Rosa, 1930",
  "url": "http://36.media.tumblr.com/e46918901ad4cc6547ea27233873e879/tumblr_n3q2pdzLXM1tq6tdto1_400.jpg",
  "thumbnail": "http://40.media.tumblr.com/e46918901ad4cc6547ea27233873e879/tumblr_n3q2pdzLXM1tq6tdto1_75sq.jpg"
}, {
  "lat": 34.06370117,
  "lng": -118.2967767,
  "name": "A. M. Concrete Inc., 1990",
  "url": "http://41.media.tumblr.com/634b3ebae1233626c427dbfc44b3261a/tumblr_n1m6xg3ik81tq6tdto1_400.jpg",
  "thumbnail": "http://41.media.tumblr.com/634b3ebae1233626c427dbfc44b3261a/tumblr_n1m6xg3ik81tq6tdto1_75sq.jpg"
}, {
  "lat": 34.05123715,
  "lng": -118.3195567,
  "name": "Atkinson–Spicer Co., 1926",
  "url": "http://40.media.tumblr.com/1db33e935ff486d74cbe35706fc9855a/tumblr_n2m0o6gcvY1tq6tdto1_400.jpg",
  "thumbnail": "http://36.media.tumblr.com/1db33e935ff486d74cbe35706fc9855a/tumblr_n2m0o6gcvY1tq6tdto1_75sq.jpg"
}, {
  "lat": 34.0696981,
  "lng": -118.3614635,
  "name": "Lew. Odell, 1937",
  "url": "http://36.media.tumblr.com/6737d1a172353dcd80bebe5b56d96150/tumblr_n2m20mOESy1tq6tdto1_400.jpg",
  "thumbnail": "http://41.media.tumblr.com/6737d1a172353dcd80bebe5b56d96150/tumblr_n2m20mOESy1tq6tdto1_75sq.jpg"
}, {
  "lat": 34.0707379,
  "lng": -118.3615279,
  "name": "Frank J. Heilmann, 1937",
  "url": "http://36.media.tumblr.com/1b5550f571e508a7a9ddc057ad07096c/tumblr_n2m24ceaF91tq6tdto1_400.jpg",
  "thumbnail": "http://40.media.tumblr.com/1b5550f571e508a7a9ddc057ad07096c/tumblr_n2m24ceaF91tq6tdto1_75sq.jpg"
}, {
  "lat": 34.06903154,
  "lng": -118.361485,
  "name": "Tryon & Brain, 1925",
  "url": "http://41.media.tumblr.com/58a45a711a9b39015fdb0601585e1b44/tumblr_n2m1viKp6v1tq6tdto1_400.jpg",
  "thumbnail": "http://41.media.tumblr.com/58a45a711a9b39015fdb0601585e1b44/tumblr_n2m1viKp6v1tq6tdto1_75sq.jpg"
}, {
  "lat": 34.07611449,
  "lng": -118.2561439,
  "name": "So. Calif. Gas Co., 1987",
  "url": "http://40.media.tumblr.com/8f7f0543d4f53f114fa866b57465380a/tumblr_n294lvcY9H1tq6tdto1_400.jpg",
  "thumbnail": "http://41.media.tumblr.com/8f7f0543d4f53f114fa866b57465380a/tumblr_n294lvcY9H1tq6tdto1_75sq.jpg"
}, {
  "lat": 34.09311068,
  "lng": -118.2675621,
  "name": "James Martin, 1925",
  "url": "http://40.media.tumblr.com/b4ff9e91abd2ba2d8242da9536aa412c/tumblr_n5c729VoJi1tq6tdto1_400.jpg",
  "thumbnail": "http://40.media.tumblr.com/b4ff9e91abd2ba2d8242da9536aa412c/tumblr_n5c729VoJi1tq6tdto1_75sq.jpg"
}, {
  "lat": 34.10834904,
  "lng": -118.3322972,
  "name": "Geo. A. Shepard, 1926",
  "url": "http://40.media.tumblr.com/tumblr_lu4gtf1ez31qex1i7o1_400.jpg",
  "thumbnail": "http://41.media.tumblr.com/tumblr_lu4gtf1ez31qex1i7o1_75sq.jpg"
}];

var photoLayer = L.photo.cluster().on('click', function(evt) {
  var photo = evt.layer.photo;
  var template = '
{name}
';
  evt.layer.bindPopup(L.Util.template(template, photo), {
    minWidth: 400
  }).openPopup();
});

photoLayer.add(photos).addTo(map);