Runners take part in the 5km Color Run in Beijing, capital of China, June 20, 2015. Some 30,000 runners finished this year's Color Run event here Saturday. (Xinhua/Pan Xu)

Runners take part in the 5km Color Run in Beijing, capital of China, June 20, 2015. Some 30,000 runners finished this year's Color Run event here Saturday. (Xinhua/Pan Xu)

Runners take part in the 5km Color Run in Beijing, capital of China, June 20, 2015. Some 30,000 runners finished this year's Color Run event here Saturday. (Xinhua/Pan Xu)

Runners take part in the 5km Color Run in Beijing, capital of China, June 20, 2015. Some 30,000 runners finished this year's Color Run event here Saturday. (Xinhua/Pan Xu)

Runners take part in the 5km Color Run in Beijing, capital of China, June 20, 2015. Some 30,000 runners finished this year's Color Run event here Saturday. (Xinhua/Pan Xu)