Buttree Puedpong, a taekwondo athlete who won a silver medal at the 2008 Olympics in Beijing, and her groom, Pen-Ek Karaket, who won a silver medal for taekwando in the 2010 Asian Games, joined 12 other couples who professed their love for each other in hot air balloons over Chiang Rai’s Muang district after being legally married on Valentine’s Day.