People rest at the Park of the Fiftieth Anniversary in Brussels, Belgium, June 17, 2022. Belgium witnesses a heat wave with temperature expected to reach 34 degrees centigrade in Brussels in the following days. Photo:Xinhua

People rest at the Park of the Fiftieth Anniversary in Brussels, Belgium, June 17, 2022. Belgium witnesses a heat wave with temperature expected to reach 34 degrees centigrade in Brussels in the following days. Photo:Xinhua

A man and his dog rest near a pond at the Park of the Fiftieth Anniversary in Brussels, Belgium, June 17, 2022. Belgium witnesses a heat wave with temperature expected to reach 34 degrees centigrade in Brussels in the following days. Photo:Xinhua

People queue for buying ice creams at the Park of the Fiftieth Anniversary in Brussels, Belgium, June 17, 2022. Belgium witnesses a heat wave with temperature expected to reach 34 degrees centigrade in Brussels in the following days. Photo:Xinhua

People rest at the Park of the Fiftieth Anniversary in Brussels, Belgium, June 17, 2022. Belgium witnesses a heat wave with temperature expected to reach 34 degrees centigrade in Brussels in the following days. Photo:Xinhua