Nam Choke, an eight-year-old male Asian elephant (left), and Boonrawd, a seven-year-old female, form a heart shape with their trunks at an elephant camp in Ayutthaya, Thailand, on February 12.

• 泰国动物园里的的一对象情侣，在今年情人节的前两天做出了这么个惊人的举动，用它们的鼻子搭成了个心的形状。动物间真的有爱情么?