Photo taken on June 24, 2020 shows the only entrance of Nishui Liugui Village Fortress in Humen township of Dongguan city, South China's Guangdong province. Nishui Liugui Village Fortress, a turtle-shape village once functioning as a military fortress, has a history of more than 370 years. Covering an area of 6,889 square meters and surrounded by an 18-meter-wide moat, the village from the air looks like a turtle swimming upstream. [Photo/Xinhua]
Aerial photo taken on June 24, 2020 shows Nishui Liugui Village Fortress in Humen township of Dongguan city, South China's Guangdong province. [Photo/Xinhua]
Aerial photo taken on June 24, 2020 shows Nishui Liugui Village Fortress in Humen township of Dongguan city, South China's Guangdong province. [Photo/Xinhua]
Aerial photo taken on June 24, 2020 shows Nishui Liugui Village Fortress in Humen township of Dongguan city, South China's Guangdong province. [Photo/Xinhua]
Aerial photo taken on June 24, 2020 shows Nishui Liugui Village Fortress in Humen township of Dongguan city, South China's Guangdong province. [Photo/Xinhua]