Zoom2 Sat Map @ 8.82N/37.41E

Zoom8 OSM @ 44.5N/11.5E = Bologna (IT)

Zoom12 OSM @ 44.71N/12.20E = Comacchio+Lidi (Ferrara,IT)


Reference: http://openlayers.org/en/v3.1.1/doc/quickstart.html