Ans.
Wikimapia website
provides Google Maps interactive web map that consists of user generated
information layer on top of Google Maps satellite imagery and other resources.
In December 2009 Wikimapia launched and API (Application Programming
Interface), it allows selecting any marked object and viewing its description.
Visitors can add location by drawing its outline on top of satellite photo,
write a description for it, choose its category and upload referring pictures.
