Smiles, thumbs-up for Beijing Olympics from athletes

American rowing athletes warm up before training in Sunyi Olympic Rowing-Canoeing Park in Beijing, July 29, 2008. Athletes from 10-plus countries and regions gear up for Beijing Olympics in the park on Tuesday. During the Beijing 2008 Olympic Games, the park will host the Rowing, Canoe/Kayak Flatwater, Canoe/Kayak Slalom and Marathon Swimming events. (Xinhua photo)

An American rowing athlete finishes his training in Sunyi Olympic Rowing-Canoeing Park in Beijing, July 29, 2008. Athletes from 10-plus countries and regions gear up for Beijing Olympics in the park on Tuesday. During the Beijing 2008 Olympic Games, the park will host the Rowing, Canoe/Kayak Flatwater, Canoe/Kayak Slalom and Marathon Swimming events. (Xinhua photo)

Rowing athletes of New Zealand adjust their boats before training in Sunyi Olympic Rowing-Canoeing Park in Beijing, July 29, 2008. Athletes from 10-plus countries and regions gear up for Beijing Olympics in the park on Tuesday. During the Beijing 2008 Olympic Games, the park will host the Rowing, Canoe/Kayak Flatwater, Canoe/Kayak Slalom and Marathon Swimming events. (Xinhua photo)

Athletes practice on appliances in Sunyi Olympic Rowing-Canoeing Park in Beijing, July 29, 2008. Athletes from 10-plus countries and regions gear up for Beijing Olympics in the park on Tuesday. During the Beijing 2008 Olympic Games, the park will host the Rowing, Canoe/Kayak Flatwater, Canoe/Kayak Slalom and Marathon Swimming events. (Xinhua photo)