Undoubtedly, the government are constructing the city in a rapid pace to meet the demand of booming population growth in cities of China. Chuangking is one of them, just like Shenzhen, if you know. Several years ago these cities are just so ordinary.
The cities are constructing in a small mountain, well, compared to Himalaya it is small. So we have the scenery today.
50mm is good to express this kind of environment. Try to use them more !~