ROUGH CUT (NO REPORTER NARRATION)<br/> <br />STORY: Tens of thousands of people lined Hong Kong's Victoria Harbor to witness a spectacular fireworks display on Sunday, marking the 15th anniversary of the former British colony's return to Chinese rule.<br/> <br />The 20-minute display set against Hong Kong's iconic skyline rounded off a tumultuous weekend which saw the arrival of Chinese President Hu Jintao, inauguration of the territory's new Chief Executive Leung Chun-ying, and widespread public protests.<br/> <br />For many people in Hong Kong this weekend is a chance to air their grievances over issues from the widening wealth gap, to corruption scandals, to human rights.<br/> <br />Earlier in the day tens of thousands marched through Hong Kong, following the official flag raising ceremony and inauguration of Hong Kong's new leader -- with further protests planned into the night.