Photo Essay

PUBLISHED : Saturday, 10 May, 2008, 12:00am
UPDATED : Saturday, 10 May, 2008, 12:00am

After 38 years of delivering gas cylinders on his bicycle, Yip Pak-ling, 64, is giving up full-time work in August. In the 1980s and 1990s he used to deliver an average 100 bottles a day, but in recent years demand has dropped to between 20 and 40 bottles