The Belgian waffle is seen at a food shop in central Brussels, Belgium, Sept. 10, 2021. (Xinhua/Zheng Huansong)

A woman buys Belgian waffle at a food shop in central Brussels, Belgium, Sept. 10, 2021. (Xinhua/Zheng Huansong)

People walk past a food shop that sells Belgian waffle in central Brussels, Belgium, Sept. 10, 2021. (Xinhua/Zheng Huansong)

A bee is attracted by a Belgian Waffle in central Brussels, Belgium, Sept. 10, 2021. (Xinhua/Zheng Huansong)

A boy walks past a food shop that sells Belgian waffle in central Brussels, Belgium, Sept. 10, 2021. (Xinhua/Zheng Huansong)

The Belgian waffle is seen at a food shop in central Brussels, Belgium, Sept. 10, 2021. (Xinhua/Zheng Huansong)