Photo taken on April 6, 2021 shows snow covering tulip buds at the Park of the Fiftieth Anniversary in Brussels, Belgium. Brussels witnessed intermittent heavy snow recently.

A person walks a dog amid snow at the Park of the Fiftieth Anniversary in Brussels, Belgium, April 6, 2021. Brussels witnessed intermittent heavy snow recently.

A person walks amid snow at the Park of the Fiftieth Anniversary in Brussels, Belgium, April 6, 2021. Brussels witnessed intermittent heavy snow recently.

A person rides amid snow at the Park of the Fiftieth Anniversary in Brussels, Belgium, April 6, 2021. Brussels witnessed intermittent heavy snow recently.

A person walks a dog amid snow at the Park of the Fiftieth Anniversary in Brussels, Belgium, April 6, 2021. Brussels witnessed intermittent heavy snow recently. (Xinhua/Zhang Cheng)

A person walks a dog amid snow at the Park of the Fiftieth Anniversary in Brussels, Belgium, April 6, 2021. Brussels witnessed intermittent heavy snow recently.

A person walks a dog amid snow at the Park of the Fiftieth Anniversary in Brussels, Belgium, April 6, 2021. Brussels witnessed intermittent heavy snow recently.

Photo taken on April 6, 2021 shows snow scenery at the Park of the Fiftieth Anniversary in Brussels, Belgium. Brussels witnessed intermittent heavy snow recently.

A person rides amid snow at the Park of the Fiftieth Anniversary in Brussels, Belgium, April 6, 2021. Brussels witnessed intermittent heavy snow recently.

Photo taken on April 6, 2021 shows snow flakes at the Park of the Fiftieth Anniversary in Brussels, Belgium. Brussels witnessed intermittent heavy snow recently.

A person walks amid snow at the Park of the Fiftieth Anniversary in Brussels, Belgium, April 6, 2021. Brussels witnessed intermittent heavy snow recently. (Photos: Xinhua/Zhang Cheng)

Photo taken on April 5, 2021 shows snow flakes in Brussels, Belgium. Brussels witnessed intermittent heavy snow recently.

A person runs amid snow at the Park of the Fiftieth Anniversary in Brussels, Belgium, April 6, 2021. Brussels witnessed intermittent heavy snow recently.