     layer: L.geoJson.ajax('../../assets/counties.geojson', {
                color: 'orange',
                weight: 5
            }),
            legend: '<i style="background: orange; opacity: 0.5"></i><p><b>legend 2</b></p>'
        },
        layer3: {
            layer: L.tileLayer('http://cartodb-basemaps-{s}.global.ssl.fastly.net/light_all/{z}/{x}/{y}@2x.png')
        }
    };
    var scenes = {
        scene1: {lat: 44, lng: -123.5, zoom: 7, layers: [layers.layer2], name: "scene 1"},
        scene