• https://cdn.bootcdn.net/ajax/libs/ol3/3.8.1/ol-debug.js
• https://cdn.bootcdn.net/ajax/libs/ol3/3.8.1/ol-debug.min.js
• https://cdn.bootcdn.net/ajax/libs/ol3/3.8.1/ol.css
• https://cdn.bootcdn.net/ajax/libs/ol3/3.8.1/ol.js
• https://cdn.bootcdn.net/ajax/libs/ol3/3.8.1/ol.min.css
• https://cdn.bootcdn.net/ajax/libs/ol3/3.8.1/ol.min.js