The Pool at China World Hotel, Beijing
Shangri-La's China World Hotel's pool is recommended by professional reviewers writing for major publications. Of the 7 professionals that we tracked, 4 mentioned the pool, such as Jetsetter, Lonely Planet and Star Service.
China World Hotel, Beijing 
Jetsetter
Lonely Planet
Star Service
Gayot
Jetsetter "Excesses like these are easily worked off in the large indoor swimming pool or the well-equipped fitness center (there’s also tennis, squash and table tennis)"
Lonely Planet "Modest-sized swimming pool"
Star Service "health clubs, with superb exercise equipment, an aerobics studio, squash court, large naturally lighted indoor pool, whirlpool, sauna, massage services and even an oxygen room—the only one in Beijing housed outside of a medical facility"
Gayot "The hotel’s fitness center consists of tennis and squash courts, table tennis, an indoor swimming pool and massage treatments"
