Photo taken on April 1, 2021 shows the cherry blossoms along Meguro river, in Tokyo, Japan. (Photo: Xinhua)

A woman enjoys the cherry blossoms in Chidorigafuchi in Tokyo, Japan, on April 1, 2021. (Photo: Xinhua)

Photo taken on April 1, 2021 shows the cherry blossoms in Chidorigafuchi, in Tokyo, Japan. (Photo: Xinhua)

Photo taken on April 1, 2021 shows a sign suggesting people not to view the cherry blossoms at Nakameguro, a sightseeing spot famous for the cherry blossoms, in Tokyo, Japan. (Photo: Xinhua)

Photo taken on April 1, 2021 shows the cherry blossoms along Meguro river, in Tokyo, Japan. (Photo: Xinhua)

People enjoy the cherry blossoms at a park in Tokyo, Japan, on April 1, 2021. (Photo: Xinhua)

A guard holds a sign suggesting people not to view the cherry blossoms at Nakameguro, a sightseeing spot famous for the cherry blossoms, in Tokyo, Japan, on April 1, 2021. (Photo: Xinhua)

Photo taken on April 1, 2021 shows the cherry blossoms along Meguro river, in Tokyo, Japan. (Photo: Xinhua)

Photo taken on April 1, 2021 shows the cherry blossoms in Chidorigafuchi, in Tokyo, Japan. (Photo: Xinhua)

Photo taken on April, 1, 2021 shows that a part of Meguro river is covered with cherry blossom petals in Tokyo, Japan. (Photo: Xinhua)

People enjoy the cherry blossoms of Chidorigafuchi in Tokyo, Japan, on April 1, 2021. (Photo: Xinhua)

People enjoy the cherry blossoms along Meguro river in Tokyo, Japan, on April 1, 2021. (Photo: Xinhua)

Photo taken on April 1, 2021 shows the cherry blossoms along Meguro river, in Tokyo, Japan. (Photo: Xinhua)

Photo taken on April 1, 2021 shows the cherry blossoms along Meguro river, in Tokyo, Japan. (Photo: Xinhua)

Benches are forbidden to use at Nakameguro, a sightseeing spot famous for the cherry blossoms, in Tokyo, Japan, on April 1, 2021. (Photo: Xinhua)

People enjoy the cherry blossoms along Meguro river in Tokyo, Japan, on April 1, 2021. (Photo: Xinhua)

People enjoy the cherry blossoms at a park in Tokyo, Japan, on April 1, 2021. (Photo: Xinhua)