Looking north from the slopes near the Naval Academy showing the Nanking city wall curving round Sz-tsz-shan Hill with the commercial quarter between the wall and the Yangtze-Kiang in the left middle distance. In the right middle distance is the I-fung-men gate, the main gate for travellers entering Nanking from the west. The water in the left foreground is part of the Chin-hwai-ho River system.