People visit a floral art expo in Chongqing, southwest China, Oct. 20, 2020. The expo kicked off on Tuesday in Chongqing and will last till Oct. 29, 2020. (Photos: Xinhua/Wang Quanchao)

Visitors take photos at a floral art expo in Chongqing, southwest China, Oct. 20, 2020. The expo kicked off on Tuesday in Chongqing and will last till Oct. 29, 2020.

People visit a floral art expo in Chongqing, southwest China, Oct. 20, 2020. The expo kicked off on Tuesday in Chongqing and will last till Oct. 29, 2020.

A visitor takes photos at a floral art expo in Chongqing, southwest China, Oct. 20, 2020. The expo kicked off on Tuesday in Chongqing and will last till Oct. 29, 2020.

People visit a floral art expo in Chongqing, southwest China, Oct. 20, 2020. The expo kicked off on Tuesday in Chongqing and will last till Oct. 29, 2020.

A visitor takes photos at a floral art expo in Chongqing, southwest China, Oct. 20, 2020. The expo kicked off on Tuesday in Chongqing and will last till Oct. 29, 2020.

A visitor takes photos at a floral art expo in Chongqing, southwest China, Oct. 20, 2020. The expo kicked off on Tuesday in Chongqing and will last till Oct. 29, 2020.

People visit a floral art expo in Chongqing, southwest China, Oct. 20, 2020. The expo kicked off on Tuesday in Chongqing and will last till Oct. 29, 2020.

People visit a floral art expo in Chongqing, southwest China, Oct. 20, 2020. The expo kicked off on Tuesday in Chongqing and will last till Oct. 29, 2020.

People visit a floral art expo in Chongqing, southwest China, Oct. 20, 2020. The expo kicked off on Tuesday in Chongqing and will last till Oct. 29, 2020.