The Activists Fighting to Free China’s Captive Killer Whales

SHANGHAI — Xu Qianwen was delighted when her employer took her to see a live orca show at the city’s hottest new theme park, Haichang Ocean Park, in June. But a few days later, the 27-year-old made a shocking discovery.

“I read online that there is a lot of cruelty behind the performances,” says Xu. “I started wondering if the whales are really willing to…