Nearly a decade after their initial success, teen idol group the Backstreet Boys will appear at the Shanghai Grand Stage tomorrow, redeeming the promise they made two years ago to their fans in the city.

• 后街男孩，作为青少年们的偶像，在他们成功将近十多年后，将于明天出现在上海大剧院，以达成他们在两年前在这座城市他们对他们的粉丝的承诺。