Huawei: A tour of the firm's 'theme park' R&D campus
Chinese tech giant Huawei has built a giant theme park-like campus for its research and development staff in China.
The site houses 108 classically-designed buildings in the style of various European cities, and is a stark contrast to the nearby futuristic city of Shenzhen.
The BBC's Spencer Kelly visited the base for BBC Panorama at a time the company is defending itself against claims its next-generation 5G kit poses a risk to the countries that adopt it.