Data page examples:
- https://commons.wikimedia.org/wiki/Data:Sandbox/Gareth/T5_Cumberland_Line.map
- https://commons.wikimedia.org/wiki/Data:Naturalearthdata.com/US_states_with_PR.map
Failing snapshots:
- https://maps.wikimedia.org/img/osm-intl,11,-33.88,150.907,800x600.png?domain=commons.wikimedia.org&title=Data%3ASandbox%2FGareth%2FT5+Cumberland+Line.map&groups=_c64996f5dbbe8e07c75d232c6972378a23aa00cd
- https://maps.wikimedia.org/img/osm-intl,3,49.61,-104.87,800x600.png?domain=commons.wikimedia.org&title=Data%3ANaturalearthdata.com%2FUS+states+with+PR.map&groups=_34089030aa9dde4d76085919d94df152339a499a