Photo taken on April 13, 2019 shows the bonsai "Seiryu" displayed at the Omiya Bonsai Art Museum in Saitama, Japan. The Omiya Bonsai Art Museum opened to public in 2010, displaying over 100 masterpieces. (Xinhua/Du Xiaoyi)

　　People visit the Omiya Bonsai Art Museum in Saitama, Japan, April 13, 2019. The Omiya Bonsai Art Museum opened to public in 2010, displaying over 100 masterpieces. (Xinhua/Du Xiaoyi)

　　A man admires a bonsai at the Omiya Bonsai Art Museum in Saitama, Japan, April 13, 2019. The Omiya Bonsai Art Museum opened to public in 2010, displaying over 100 masterpieces. (Xinhua/Du Xiaoyi)

　　Photo taken on April 13, 2019 shows a bonsai at the Omiya Bonsai Art Museum in Saitama, Japan. The Omiya Bonsai Art Museum opened to public in 2010, displaying over 100 masterpieces. (Xinhua/Du Xiaoyi)

　　People visit the Omiya Bonsai Art Museum in Saitama, Japan, April 13, 2019. The Omiya Bonsai Art Museum opened to public in 2010, displaying over 100 masterpieces. (Xinhua/Du Xiaoyi)

　　Photo taken on April 13, 2019 shows a bonsai at the Omiya Bonsai Art Museum in Saitama, Japan. The Omiya Bonsai Art Museum opened to public in 2010, displaying over 100 masterpieces. (Xinhua/Du Xiaoyi)