The sandstone plateaus of China's Zhangjiajie Forest Park are said to have inspired the sci-fi film Avatar. The Wulingyuan forest with its dreamlike thousand-metre-tall pillars and swirling mists make lead to the illusion of floating islands and impossible karst formations.
The formations have been inspiring artists and painters for hundreds of years – however more contemporary architects have been moved by the mountains to create giant tourism attractions and experiences.
The bravest of tourists can be whisked up 300metres of cliff face in 88 seconds flat in the Bailong 'Hundred Dragons' lift. Or, get the impression of walking on air on the nearby Glass Bridge, which was opened in 2016.
The controversial and colossal lifts were halted in construction many times. Since beginning work on the lifts in 1999 the structures were criticized by UNESCO for what allowing "creeping urbanisation" into the heritage site.