Wine tutor uncorks wisdom for students

'People think we may get drunk when we taste wine for hours, but ... we spit it into a barrel'

Sun Ying, who tutored three college students to win the top prize for Asia at an international wine competition, sees great prospects for sommeliers in Southwest China.

The 38-year-old is the only college teacher imparting knowledge about wine in Chongqing, a city of 30 million.