A woman visits the flower exhibition "Orchids" at the Palm Garden in Frankfurt, Germany, on March 10, 2017. The exhibition was opened on Friday and will last to March 19. (Xinhua/Luo Huanhuan)
A woman visits the flower exhibition "Orchids" at the Palm Garden in Frankfurt, Germany, on March 10, 2017. The exhibition was opened on Friday and will last to March 19. (Xinhua/Luo Huanhuan)