Frolicking infants, school children playing tag, and adult arm wrestlers are demonstrating strong, transgenerational and transspecies bonds with the universe of animals ? past, present, and future.

• 狗和猫喜欢摔交和玩滚球游戏。鱼和鸟喜欢跳舞，猿猴有简单的、愉悦身心的游戏。