Welcome to the Aerojet-Dade Rocket Site, an abandoned rocket construction and testing facility. The complex was built during the early 1960s, as Aerojet hoped to contract with NASA to build rocket engines for the Apollo missions. When the contract never came through, the site was abandoned, and Aerojet left behind the largest solid-fuel rocket engine ever built.
This girl has posted her pics to the one of the most popular Chinese blog platforms. She wrote that she was 11. It attracted tens of millions of visitors from China and Japan, and she became famous in Asia. But it's still not clear how old she is. Doesn't look like 11 years old to me.