Tourists pose for photos at a flower fair in Huangpu District of Shanghai, east China, April 18, 2026. The 2026 Shanghai International Flower Show opened on Saturday with events in two main venues, 10 sub-venues and multiple exhibition spots across the city. (Xinhua/Chen Haoming)

A tourist takes photos of flowers at a flower fair in Huangpu District of Shanghai, east China, April 18, 2026. The 2026 Shanghai International Flower Show opened on Saturday with events in two main venues, 10 sub-venues and multiple exhibition spots across the city. (Xinhua/Chen Haoming)

Tourists view flowers by a lake in Huangpu District of Shanghai, east China, April 18, 2026. The 2026 Shanghai International Flower Show opened on Saturday with events in two main venues, 10 sub-venues and multiple exhibition spots across the city. (Xinhua/Chen Haoming)

Staff members take photos at a flower fair in Huangpu District of Shanghai, east China, April 18, 2026. The 2026 Shanghai International Flower Show opened on Saturday with events in two main venues, 10 sub-venues and multiple exhibition spots across the city. (Xinhua/Chen Haoming)

This photo taken on April 18, 2026 shows a scene at a flower fair in Jing'an District of Shanghai, east China. The 2026 Shanghai International Flower Show opened on Saturday with events in two main venues, 10 sub-venues and multiple exhibition spots across the city. (Xinhua/Wang Xiang)

People take a selfie with a floral installation in the shape of a puppy at a flower fair in Jing'an District of Shanghai, east China, April 18, 2026. The 2026 Shanghai International Flower Show opened on Saturday with events in two main venues, 10 sub-venues and multiple exhibition spots across the city. (Xinhua/Wang Xiang)

People visit a flower fair in Jing'an District of Shanghai, east China, April 18, 2026. The 2026 Shanghai International Flower Show opened on Saturday with events in two main venues, 10 sub-venues and multiple exhibition spots across the city. (Xinhua/Wang Xiang)

Tourists visit a flower fair in Huangpu District of Shanghai, east China, April 18, 2026. The 2026 Shanghai International Flower Show opened on Saturday with events in two main venues, 10 sub-venues and multiple exhibition spots across the city. (Xinhua/Chen Haoming)

This photo taken on April 18, 2026 shows a floral installation in the shape of a puppy at a flower fair in Jing'an District of Shanghai, east China. The 2026 Shanghai International Flower Show opened on Saturday with events in two main venues, 10 sub-venues and multiple exhibition spots across the city. (Xinhua/Wang Xiang)

People visit a flower fair in Jing'an District of Shanghai, east China, April 18, 2026. The 2026 Shanghai International Flower Show opened on Saturday with events in two main venues, 10 sub-venues and multiple exhibition spots across the city. (Xinhua/Wang Xiang)

A girl poses for photos at a flower fair in Huangpu District of Shanghai, east China, April 18, 2026. The 2026 Shanghai International Flower Show opened on Saturday with events in two main venues, 10 sub-venues and multiple exhibition spots across the city. (Xinhua/Chen Haoming)

A woman carrying a dog poses for photos with a floral installation in the shape of a puppy at a flower fair in Jing'an District of Shanghai, east China, April 18, 2026. The 2026 Shanghai International Flower Show opened on Saturday with events in two main venues, 10 sub-venues and multiple exhibition spots across the city. (Xinhua/Wang Xiang)