openlayers/new-examples/layers.md

title, shortdesc, docs, cloak

title	shortdesc	docs	cloak
Multiple Layers	Using layers to compose a map.	Layers control how data is rendered on a map. In this example, a `Vector` layer displays GeoJSON over tiles from a `Tile` layer.	key value As1HiMj1PvLPlqc_gtM7AqZfBL8ZL3VrjaS3zIb22Uvb9WKhuJObROC-qUpa81U5 Your Bing Maps Key from http://www.bingmapsportal.com/ here