People take pictures of blooming cherry flowers at Changbaidao Forest Park in Shenyang, northeast China's Liaoning Province, May 1, 2019. (Xinhua/Yang Qing)

Photo taken on May 6, 2019 shows tulips in Shenyang Expo Park in Shenyang, northeast China's Liaoning Province. (Xinhua/Yang Qing)

Aerial photo taken on May 6, 2019 shows scenery in Shenyang Expo Park in Shenyang, northeast China's Liaoning Province. (Xinhua/Yang Qing)

Aerial photo taken on May 1, 2019 shows scenery along Hunhe River in Shenyang, northeast China's Liaoning Province. (Xinhua/Yang Qing)

Photo taken on May 6, 2019 shows tulips in Shenyang Expo Park in Shenyang, northeast China's Liaoning Province. (Xinhua/Yang Qing)

Aerial photo taken on May 6, 2019 shows scenery in Shenyang Expo Park in Shenyang, northeast China's Liaoning Province. (Xinhua/Yang Qing)

Photo taken on May 10, 2019 shows a azure-winged magpie in woods along Hunhe River in Shenyang, northeast China's Liaoning Province. (Xinhua/Yang Qing)