Mo Jia Yu wraps his legs around a pole to balance high above the ground and secure a joint, a skill he must master to become a bamboo scaffolder in Hong Kong. The metropolis is one of the world's last remaining cities to use bamboo scaffolding in modern construction and building repair. Mo is among dozens of students who enrol each year at the city's Construction Industry Council (CIC) to learn the traditional method. "You have to have a daring heart," says Mo, who has been at the school for nearly three months. IMAGES AND SOUNDBITES