Heidi Montag (R) and Spencer Pratt (L) kiss at the international airport in Los Angeles, the United States, April 29, 2009, after returning from their honeymoon in Mexico. Affected by swine flu, the number of the passengers decreased on over 40 flights at the Los Angeles International Airport, a major aviation terminal between the United States and Mexico. (Xinhua/Qi Heng) Photo Gallery>>>