It's the XXX Olympiad, that makes it the kissing Olympics.
The athletes know this, they kiss their apparatus, before competition for luck and after in thanks.
After falling on the first hurdle and injuring himself, China's Liu Xiang left the field. He reconsidered, came back and kissed the last hurdle. It was a touching metaphor for what could be the end of his athletic career.
Kissing the volleyball on the court or on the beach was quite popular, here Turkey's Busra Cansu (20) kisses the ball before serving to South Korea during a women's volleyball preliminary match.
No apparatus is too exteme, if it is warranted it gets a kiss. Here, Slovakia's Danka
In thanks for a good send off, Bronze medalist Brent Hayden of Canada kisses the starting block after the mens' 100-meter freestyle race.
Thanks for the journey, Italy's Massimo Fabrizi kisses the podium as he mounts it to receive a silver medal in men's trap shooting.
Thanks for the memories. Felix Sanchez of the Dominican Republic kisses a family photograph he had pinned to the inside of his shirt as he ran his gold medal win in the men's 400-meter hurdles.
Even a second place finish in a semifinal is kiss-worthy among team mates, here, Italy's Niccolo Mornati kisses teammate Lorenzo Carboncini
Gold medalist for U.S.A., Sanya Richards-Ross finds her husband in the stands after winning gold in the women's 400-meter final.
Finally, someone gives the coach his due. France's Teddy Riner kisses the shoe of his coach after winning the gold medal in the men's 100kg judo competition.