An elder walks a dog in the city of San Marino, San Marino, May 6, 2021.Photo:Xinhua

A sculpture is seen in the city of San Marino, San Marino, May 6, 2021.Photo:Xinhua

People visit a fortress in the city of San Marino, San Marino, May 6, 2021.Photo:Xinhua

People visit a fortress in the city of San Marino, San Marino, May 6, 2021.Photo:Xinhua

A fortress is seen in the city of San Marino, San Marino, May 6, 2021.Photo:Xinhua

People walk in the city of San Marino, San Marino, May 6, 2021.Photo:Xinhua

A fortress is seen in the city of San Marino, San Marino, May 6, 2021.Photo:Xinhua

Photo taken on May 6, 2021 shows a view in the city of San Marino, San Marino.Photo:Xinhua

People chat in the city of San Marino, San Marino, May 6, 2021.Photo:Xinhua

A fortress is seen in the city of San Marino, San Marino, May 6, 2021.Photo:Xinhua

Photo taken on May 6, 2021 shows a view in the city of San Marino, San Marino.Photo:Xinhua