The sun casts the shadow of a lamp on the adobe wall of the Isa bin Ali house, Muharraq, Bahrain.

A replica oil lamp with a low-energy light bulb sits in an alcove in the entrance to the Isa bin Ali house, Muharraq, Bahrain while sunlight streams through the archway onto the wall opposite.

Exterior adobe wall of Isa bin Ali House, Muharraq, Bahrain showing arched windows, wooden window frames and water guttering.