Abandoned $9 billion skyscrapers: Yet China continues building nearly 4,000 more

China is known as the infrastructure maniac. Besides, high altitude is also very popular in China. Accordingly, China has 50 of the 100 tallest bridges in the world. Beipanjiang Bridge in Guizhou province is the world’s highest bridge. It is more than 1,800 feet above the Beipanjiang Grand Valley.