spring, sunny day, blue sky with white clouds. between a row of tall trees and a three-story building in the park, there is a line of ping pong tables. two middle-aged chinese men are playing ping pong. one of them, around 50 years old, is wearing glasses and dressed in a blue short-sleeved t-shirt with black athletic trousers. he is hitting the ball with a strong right hand stroke. the other man, about 60 years old, is bald and wearing a black athletic suit. he is passively defending, ready to receive the ball. nearby, there are also some middle-aged men and women watching the game. 现实照片,远景