l leicheukian went to beijing to join the students and their protest 26 years ago. >> la teesha yings on the other side of the fence. she led an anti-umbrella revolution protest immediately after the streets were occupied. she says some 10,000 people joined her. >> everyone has their reasons for being for or against the pro-democracy movement. financial factors play a key part. when hong kong was returned to chinese rule, its gdp comprised 18% of china's total. but now it stands at less than 3%. hong kong's economic dependence on the main land increases every year. >> this footage shows student joshua wong returning to the protest after being questioned by the police. wong is the leader of scholarism, a pro-democracy group consisting mostly of teenagers. >> over six months on from the umbrella revolution, wong's group shows no sign of weakening and has stepped up its activism. >> now that the hong kong federation of students has split, wong's role has become much more significant. these days, his schedule is set by the minute. >> as wong's workload increases, scholarism is training o