I don't have any objection to someone copying the concept of an existing site / service
To be fair to the OP, nothing says it was copied from your site. They could have had the idea from GeoGuessr http://geoguessr.com/ the game where you have to guess where in the world you are based on StreetView, or they could have had it totally on their own too.
To be fair to the OP, nothing says it was copied from your site. They could have had the idea from GeoGuessr http://geoguessr.com/ the game where you have to guess where in the world you are based on StreetView, or they could have had it totally on their own too.