
A gardener waters the plants and flowers in the Royal Greenhouses in the Royal Domain of Laeken in Brussels, Belgium, May 12, 2021. Belgium will open its Royal Greenhouses of Laeken for the public from 13 May to 6 June this year. The opening activity of the greenhouses was absent in Spring last year due to the COVID-19 pandemic.(Photo: Xinhua)

The Royal Greenhouses of Laeken is seen in Brussels, Belgium, May 12, 2021. Belgium will open its Royal Greenhouses of Laeken for the public from 13 May to 6 June this year. The opening activity of the greenhouses was absent in Spring last year due to the COVID-19 pandemic.(Photo: Xinhua)

The plants and flowers are seen in the Royal Greenhouses in the Royal Domain of Laeken in Brussels, Belgium, May 12, 2021. Belgium will open its Royal Greenhouses of Laeken for the public from 13 May to 6 June this year. The opening activity of the greenhouses was absent in Spring last year due to the COVID-19 pandemic.(Photo: Xinhua)

The plants are seen in the Winter Garden of the Royal Greenhouses in the Royal Domain of Laeken in Brussels, Belgium, May 12, 2021. Belgium will open its Royal Greenhouses of Laeken for the public from 13 May to 6 June this year. The opening activity of the greenhouses was absent in Spring last year due to the COVID-19 pandemic.(Photo: Xinhua)