In 1825 Coste returned to France with an impressive series of drawings of the architecture of Cairo .
Coste soon went to Egypt once again at Mehmet Ali 's request , where Mehmet Ali made him chief engineer for Lower Egypt .
In 1825 Coste returned to France with an impressive series of drawings of the architecture of Cairo , but he soon went to Egypt once again at Mehmet Ali 's request , where Mehmet Ali made him chief engineer for Lower Egypt .