Paste one of:

• An imagery-index .json source
• An editor-layer-index .geojson source
• A single .geojson Feature

{ "type": "Feature", "geometry": null, "properties": { "id": "Mapbox", "name": "Mapbox Satellite", "type": "tms", "url": "https://{switch:a,b,c,d}.tiles.mapbox.com/v4/mapbox.satellite/{zoom}/{x}/{y}.jpg?access_token=pk.eyJ1Ijoib3BlbnN0cmVldG1hcCIsImEiOiJjaml5MjVyb3MwMWV0M3hxYmUzdGdwbzE4In0.q548FjhsSJzvXsGlPsFxAQ" } }

Paste a locationSet:What's this?

{ include: ['de', 'cz', 'pl'] }