This photo taken on July 18, 2024 shows colorful houses in Burano island, Venice, Italy. (Photo: Xinhua)

Tourists visit the colorful houses in Burano island, Venice, Italy, July 18, 2024. (Photo: Xinhua)

Tourists visit San Marco Square in Venice, Italy, July 18, 2024. (Photo: Xinhua)

Tourists are seen sightseeing by gondola in Venice, Italy, July 18, 2024. (Photo: Xinhua)