Players train during practice for the NBA All-Star basketball game in Houston, the United States, Feb. 16, 2013. The All-Star game will be played on Sunday. (Xinhua/Zhang Jun)

Dwyane Wade (C) of Miami Heat jokes with Dwight Howard (L) of Los Angeles Lakers and LaMarcus Aldridge of Portland Trail Blazers during practice for the NBA All-Star basketball game in Houston, the United States, Feb. 16, 2013. The All-Star game will be played on Sunday. (Xinhua/Zhang Jun)

Joakim Noah of Chicago Bulls holds up a little fan to help him shoot during practice for the NBA All-Star basketball game in Houston, the United States, Feb. 16, 2013. The All-Star game will be played on Sunday. (Xinhua/Zhang Jun)

Chris Bosh of Miami Heat dunks during practice for the NBA All-Star basketball game in Houston, the United Staes, Feb. 16, 2013. The All-Star game will be played on Sunday. (Xinhua/Zhang Jun)

LeBron James of Miami Heat holds up his hand during practice for the NBA All-Star basketball game in Houston, the United Staes, Feb. 16, 2013. The All-Star game will be played on Sunday. (Xinhua/Zhang Jun)

Dwyane Wade of Miami Heat trains during practice for the NBA All-Star basketball game in Houston, the United Staes, Feb. 16, 2013. The All-Star game will be played on Sunday. (Xinhua/Zhang Jun)

Tony Parker of San Antonio Spurs enters the court during practice for the NBA All-Star basketball game in Houston, the United Staes, Feb. 16, 2013. The All-Star game will be played on Sunday. (Xinhua/Zhang Jun)

Kevin Durant (C) of Oklahoma City Thunders shoots in the middle court during practice for the NBA All-Star basketball game in Houston, the United Staes, Feb. 16, 2013. The All-Star game will be played on Sunday. (Xinhua/Zhang Jun)