Giant robots and futuristic cyberpunk castles rise out of lush mountain slopes on the outskirts of Guiyang, the capital of one of China's poorest provinces.

Welcome to China's first virtual reality theme park, which aims to ride a boom in demand for virtual entertainment set to propel tenfold growth in the country's virtual reality market — its value expected to hit almost $8.5 billion by 2020.

The 330-acre (134-hectare) park in southwestern Guizhou province promises 35 virtual reality attractions, from shoot-'em-up games and virtual roller-coasters to tours with interstellar aliens of the region's most scenic spots.