Joseph Bonomi the Younger into debt and was eventually happy to accept a modestly paid commission to accompany Robert Hay on an expedition, via Malta, to Egypt in 1824. This began a lifelong interest in Egyptology. From 1824 to 1826, he was a member of Hay's expedition where he sketched many antiquities. At Abu Simbel in 1825, Bonomi – responding to Hay's demands for great accuracy – devised a drawing frame (a viewfinder-type device equipped with a sight and a string or wire grid) to help them draw the temples' interior decorations. The expedition then moved on to Kalabsha, where Bonomi laboured to produce
Environmental issues in Egypt like Abu Simbel. Abu Simbel is a monument to Ramses II built of sandstone, and comprises two temples to gods of the Ancient Egyptian pantheon. Emergency archaeological digs and projects were conducted to retrieve as much as possible from these sites that have been so well preserved by the arid climate. Abu Simbel itself was cut into pieces and moved to a cliff face above the new water level of the Nile above the dam. It now stands 60 meters above where it originally stood, on a cliff overlooking Lake Nasser. Another well-known monument moved during the rescue mission was