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Tourists in Bali, Indonesia, explore the underwater world aboard the “Jiaozi” – a manned sightseeing submersible independently developed by a company in Wushan County, Chongqing Municipality, in this photo released Thursday. The electric-powered submersible carries up to four passengers and is equipped with an automatic obstacle-avoidance system and a safety buoyancy mechanism, allowing even untrained visitors to enjoy undersea views safely. Its optimal operating depth is around 20 meters. To date, nearly a hundred units have been ordered from Indonesia.China News Service