China ensures safety of underwater cultural relics with technological means

Wang Xinyue

After taking a 91-meter-long escalator into the water, crossing a 146-meter-long horizontal corridor, and walking into a viewing gallery which is 40 meters below the surface of the Yangtze River, visitors find themselves at the Baiheliang Underwater Museum (or the Underwater Museum of White Crane Ridge), located in the middle of the Yangtze River in southwest China’s Chongqing municipality.