Former Chinese basketball superstar Yao Ming (Back) greets children during a basketball clinic in Pasig City, the Philippines, May 5, 2013. Yao and his Shanghai Sharks are in Manila on a friendly visit. They will attend two exhibition games respectively with the Smart Gilas Team and the Philippine Basketball Association (PBA) Selection. (Xinhua/Rouelle Umali)

Former Chinese basketball superstar Yao Ming attends a press conference in Pasig City, the Philippines, May 5, 2013. Yao and his Shanghai Sharks are in Manila on a friendly visit. They will attend two exhibition games respectively with the Smart Gilas Team and the Philippine Basketball Association (PBA) Selection. (Xinhua/Rouelle Umali)

Former Chinese basketball superstar Yao Ming (Back) poses with children for photos during a basketball clinic in Pasig City, the Philippines, May 5, 2013. Yao and his Shanghai Sharks are in Manila on a friendly visit. They will attend two exhibition games respectively with the Smart Gilas Team and the Philippine Basketball Association (PBA) Selection. (Xinhua/Rouelle Umali)

Former Chinese basketball superstar Yao Ming (Back) greets children during a basketball clinic in Pasig City, the Philippines, May 5, 2013. Yao and his Shanghai Sharks are in Manila on a friendly visit. They will attend two exhibition games respectively with the Smart Gilas Team and the Philippine Basketball Association (PBA) Selection. (Xinhua/Rouelle Umali)

Former Chinese basketball superstar Yao Ming (1st R) is interviewed during a basketball clinic in Pasig City, the Philippines, May 5, 2013. Yao and his Shanghai Sharks are in Manila on a friendly visit. They will attend two exhibition games respectively with the Smart Gilas Team and the Philippine Basketball Association (PBA) Selection. (Xinhua/Rouelle Umali)

A player from the Shanghai Sharks high-fives a Filipine boy during a basketball clinic in Pasig City, the Philippines, May 5, 2013. Yao and his Shanghai Sharks are in Manila on a friendly visit. They will attend two exhibition games respectively with the Smart Gilas Team and the Philippine Basketball Association (PBA) Selection. (Xinhua/Rouelle Umali)

A player from the Shanghai Sharks dunks as Filipine boys watch during a basketball clinic in Pasig City, the Philippines, May 5, 2013. Yao and his Shanghai Sharks are in Manila on a friendly visit. They will attend two exhibition games respectively with the Smart Gilas Team and the Philippine Basketball Association (PBA) Selection. (Xinhua/Rouelle Umali)

Players from the Shanghai Sharks play basketball with a Filipine girl during a basketball clinic in Pasig City, the Philippines, May 5, 2013. Yao and his Shanghai Sharks are in Manila on a friendly visit. They will attend two exhibition games respectively with the Smart Gilas Team and the Philippine Basketball Association (PBA) Selection. (Xinhua/Rouelle Umali)