A staff member prepares desserts at the Dinner in the Sky restaurant in Brussels, Belgium, Sept. 18, 2020. This year, the Dinner in the Sky restaurant has set up eight individual tables at a height of 50 meters in Brussels, allowing up to 32 customers to dine in midair. (Xinhua/Zheng Huansong)

Customers enjoy a meal at the Dinner in the Sky restaurant in Brussels, Belgium, Sept. 18, 2020. This year, the Dinner in the Sky restaurant has set up eight individual tables at a height of 50 meters in Brussels, allowing up to 32 customers to dine in midair. (Xinhua/Zheng Huansong)

Chef Alain Bianchin (R) and customers celebrate after a meal at the Dinner in the Sky restaurant in Brussels, Belgium, Sept. 18, 2020. This year, the Dinner in the Sky restaurant has set up eight individual tables at a height of 50 meters in Brussels, allowing up to 32 customers to dine in midair. (Xinhua/Zheng Huansong)

The Dinner in the Sky restaurant is seen in central Brussels, Belgium, Sept. 18, 2020. This year, the Dinner in the Sky restaurant has set up eight individual tables at a height of 50 meters in Brussels, allowing up to 32 customers to dine in midair. (Xinhua/Zheng Huansong)