People walk on the 2.5-km fluorescent walkway at Mozishan Park in Shenyang, capital of northeast China's Liaoning Province, June 10, 2019. (Xinhua/Yang Qing)

A dog walks on the 2.5-km fluorescent walkway at Mozishan Park in Shenyang, capital of northeast China's Liaoning Province, June 10, 2019. (Xinhua/Yang Qing)

A child has fun on the 2.5-km fluorescent walkway at Mozishan Park in Shenyang, capital of northeast China's Liaoning Province, June 10, 2019. (Xinhua/Yang Qing)

People walk on the 2.5-km fluorescent walkway at Mozishan Park in Shenyang, capital of northeast China's Liaoning Province, June 10, 2019. (Xinhua/Yang Qing)

People walk on the 2.5-km fluorescent walkway at Mozishan Park in Shenyang, capital of northeast China's Liaoning Province, June 10, 2019. (Xinhua/Yang Qing)

A dog walks on the 2.5-km fluorescent walkway at Mozishan Park in Shenyang, capital of northeast China's Liaoning Province, June 10, 2019. (Xinhua/Yang Qing)

People walk on the 2.5-km fluorescent walkway at Mozishan Park in Shenyang, capital of northeast China's Liaoning Province, June 10, 2019. (Xinhua/Yang Qing)

People walk on the 2.5-km fluorescent walkway at Mozishan Park in Shenyang, capital of northeast China's Liaoning Province, June 10, 2019. (Xinhua/Yang Qing)

People walk on the 2.5-km fluorescent walkway at Mozishan Park in Shenyang, capital of northeast China's Liaoning Province, June 10, 2019. (Xinhua/Yang Qing)