Macau, Hong Kong, China
The 100 m image of 11 October 2014 shows the cities of Macau and Hong Kong. Macau is the world's most densely populated area, with 21,000 inhabitants per km². Both cities are located at the Zhujiang River Estuary, which is visible in the image centre. Macau is located at the estuary's left side, Hong Kong at the right side.