mapbox-streets-v6/14/8714/8017.vector.pbf

 - http://c.tile.openstreetmap.org/14/8714/8017.png
 - https://a.tiles.mapbox.com/v4/mapbox.mapbox-streets-v6/14/8714/8017.vector.pbf
 - https://www.mapbox.com/developers/vector-tiles/mapbox-streets/

enf-14-4824-6157.vector.pbf

 - enf.8k273nmi
 - https://b.tiles.mapbox.com/v4/enf.c3a2de35/14/4824/6157@2x.png
 - https://www.mapbox.com/blog/twitter-map-every-tweet/