This high quality photo of the Diamond was taken around 1890 by photographer Robert French which formed part of the Lawerence collection. It show the town folk, horse and carts and market weight bridge .
The lawyer, Anatoly Kucherena, said he had received the necessary papers to enter Russian territory from the transit zone at Sheremetyevo Airport.
Unconfirmed reports say he has been granted temporary asylum in Russia.
The US has charged Mr Snowden with leaking details of its electronic surveillance programmes.