Free-styled cycling with small wheels, skateboarding and inline skating are very common extreme sports in Hong Kong. Extreme sports usually refer to sports bearing high risks. It stresses on personal style and exhaust one's potential and pushing through their limits. These kinds of sports have no venues. Enthusiasts would practise in parks instead. Leisure and Cultural Services Department does not manage their sports grounds well and it draws criticisms. Hong Kong Federation of Extreme Sports criticizes that the government has a limited understanding on extreme sports and it impedes the development of the sports. Can extreme sports survive in this walled city of Hong Kong?自由式小輪車、滑板和直排滑輪是香港最常見的極限運動,極限運動泛指一些高危險的運動,著重個人風格,發揮潛能,不斷挑戰極限。這類運動缺乏場地,愛好者唯有在公園內練習。康文署轄下的運動場地安排不當,受人質疑。香港極限運動聯會批評,政府對極限運動的認知不足,因而窒礙它的發展,極限運動在香港這個四面圍牆的城市有沒有生存空間呢?