Photo taken on Dec. 22, 2019 shows the 16-meter-high, 58-meter-long "Mountain of Peacock", a peacock-shaped gardening landscape,in the City of Flowers, a gardening complex in Kunming, capital of southwest China's Yunnan Province. The City of Flowers, a large-scale gardening complex in Kunming, includes a floral greenhouse, an experimental museum and a 4D media hall in over 60,000 square meters. Photo:Xinhua

Tourists take photos in the floral greenhouse in the City of Flowers, a gardening complex in Kunming, capital of southwest China's Yunnan Province, Dec. 22, 2019. The City of Flowers, a large-scale gardening complex in Kunming, includes a floral greenhouse, an experimental museum and a 4D media hall in over 60,000 square meters. Photo:Xinhua

Tourists watch a movie in the 4D media hall in the City of Flowers, a gardening complex in Kunming, capital of southwest China's Yunnan Province, Dec. 22, 2019. The City of Flowers, a large-scale gardening complex in Kunming, includes a floral greenhouse, an experimental museum and a 4D media hall in over 60,000 square meters. Photo:Xinhua

Tourists visit the Sino-France trading culture experimental museum in the City of Flowers, a gardening complex in Kunming, capital of southwest China's Yunnan Province, Dec. 22, 2019. The City of Flowers, a large-scale gardening complex in Kunming, includes a floral greenhouse, an experimental museum and a 4D media hall in over 60,000 square meters. Photo:Xinhua

A tourist visits the floral greenhouse in the City of Flowers, a gardening complex in Kunming, capital of southwest China's Yunnan Province, Dec. 22, 2019. The City of Flowers, a large-scale gardening complex in Kunming, includes a floral greenhouse, an experimental museum and a 4D media hall in over 60,000 square meters. Photo:Xinhua

Tourists visit the floral greenhouse in the City of Flowers, a gardening complex in Kunming, capital of southwest China's Yunnan Province, Dec. 22, 2019. The City of Flowers, a large-scale gardening complex in Kunming, includes a floral greenhouse, an experimental museum and a 4D media hall in over 60,000 square meters. Photo:Xinhua