SHANGHAI - Students in Shanghai have come up with a unique way to earn extra cash this summer.

With Expo 2010 Shanghai visitors desperate to get reservations to popular pavilions, some college students are happy to spend hours standing in line to get the tickets for paying customers.

"I have little to do at home during the summer break. I have time to stand in line to get reserved tickets in the Expo Garden. Anyone who would like to visit the China or other hot pavilions, please feel free to contact me," read an advertisement on a leading Chinese online retail website.