Felice Beato Yokohama silver exchange. From 1884 to 1885 Beato was the official photographer of the expeditionary forces led by Baron (later Viscount) G.J. Wolseley to Khartoum, Sudan, in relief of General Charles Gordon. Briefly back in England in 1886, Beato lectured the London and Provincial Photographic Society on photographic techniques. He arrived in Burma probably in December 1886, after Upper Burma had been annexed by the British in late 1885. Much publicity had been made in the British press about the three Anglo-Burmese Wars, which had started in 1825 and culminated in December 1885 with the fall of Mandalay and the
Khartoum main Nile ("see map, upper right") as it zigzags through northern Sudan into Egypt at Lake Nasser. Khartoum is relatively flat, at elevation , as the Nile flows northeast past Omdurman to Shendi, at elevation about away. Under Köppen's climate classification system, Khartoum features a hot arid climate, with only the summer months seeing noticeable precipitation. The city averages a little over of precipitation per year. Based on annual mean temperatures, the city is one of the hottest major cities in the world. Temperatures routinely exceed in mid-summer. Its average annual high temperature is , with six months of the