Visitors are seen at a horticultural fair in Haixinsha Island in Guangzhou, capital of south China's Guangdong Province, Feb. 4, 2019. Guangzhou set a record for tourists, serving a total of 16.96 million people over this week-long Spring Fesitval holiday. (Xinhua/Liu Dawei)

Visitors are seen at a tulip fair at Baiwankui garden in Nansha free trade zone in south China's Guangdong Province, Feb. 9, 2019. Guangzhou set a record for tourists, serving a total of 16.96 million people over this week-long Spring Fesitval holiday. (Xinhua/Liu Dawei)

Aerial photo taken on Feb. 12, 2019 shows the night view of the Huacheng Square and Canton Tower in Guangzhou, capital of south China's Guangdong Province. Guangzhou set a record for tourists, serving a total of 16.96 million people over this week-long Spring Fesitval holiday. (Xinhua/Liu Dawei)

Aerial photo taken on Feb. 12, 2019 shows the night view of the Huacheng Square in Guangzhou, capital of south China's Guangdong Province. Guangzhou set a record for tourists, serving a total of 16.96 million people over this week-long Spring Fesitval holiday. (Xinhua/Liu Dawei)

Visitors are seen at a tulip fair at Baiwankui garden in Nansha free trade zone in south China's Guangdong Province, Feb. 9, 2019. Guangzhou set a record for tourists, serving a total of 16.96 million people over this week-long Spring Fesitval holiday. (Xinhua/Liu Dawei)

Aerial photo taken on Feb. 12, 2019 shows the night view of the Huacheng Square and Canton Tower in Guangzhou, capital of south China's Guangdong Province. Guangzhou set a record for tourists, serving a total of 16.96 million people over this week-long Spring Fesitval holiday. (Xinhua/Liu Dawei)