beijing poolHOTEL POOLS The Emperor at Qianmen An outdoor rooftop pool facing the Forbidden City. Cost: RMB 258 (three hours) Opening hours and contact information: Daily 11am-midnht. 87 Xianyukou Jie, QianmenPools; Beijing’s Water Cube, 10 Years Later. Kathryn Howard. Apr 24, 2018. ... In lieu of competition-sized swimming pools, the water park boasts water-based attractions,