000);

	var ZoomViewer = L.Control.extend({
		onAdd: function(){

			var container= L.DomUtil.create('div');
			var gauge = L.DomUtil.create('div');
			container.style.width = '200px';
			container.style.background = 'rgba(255,255,255,0.5)';
			container.style.textAlign = 'left';
			map.on('zoomstart zoom zoomend', function(ev){
				gauge.innerHTML = 'Zoom level: ' + map.getZoom();
			})
			container.appendChild(gauge);

			return container;
		}
	});

	(new ZoomViewer).addTo(map);

	map.setView([0, 0], 0);
