People take pictures as they enjoy the autumn colours at Westonbirt, the National Arboretum near Tetbury, in Gloucestershire, Britain on Oct. 17, 2020. (Photo by Tim Ireland/Xinhua)

A boy enjoys the autumn colours at Westonbirt, the National Arboretum near Tetbury, in Gloucestershire, Britain on Oct. 17, 2020. (Photo by Tim Ireland/Xinhua)

People enjoy the autumn colours at Westonbirt, the National Arboretum near Tetbury, in Gloucestershire, Britain on Oct. 17, 2020. (Photo by Tim Ireland/Xinhua)

A woman enjoys the autumn colours at Westonbirt, the National Arboretum near Tetbury, in Gloucestershire, Britain on Oct. 17, 2020. (Photo by Tim Ireland/Xinhua)

A woman enjoys the autumn colours at Westonbirt, the National Arboretum near Tetbury, in Gloucestershire, Britain on Oct. 17, 2020. (Photo by Tim Ireland/Xinhua)

A woman carries a leaf as she enjoys the autumn colours at Westonbirt, the National Arboretum near Tetbury, in Gloucestershire, Britain on Oct. 17, 2020. (Photo by Tim Ireland/Xinhua)

A man wearing a face mask walks past a tree at Westonbirt, the National Arboretum near Tetbury, in Gloucestershire, Britain on Oct. 17, 2020. (Photo by Tim Ireland/Xinhua)