The assignment provided is a comprehensive analysis of mega-event legacy and sustainability, focusing on the London 2012 Olympics. It examines the impact of the event on local communities, including changes in demographics, social cohesion, and economic growth. The document also explores the environmental and economic sustainability of the event, highlighting both positive and negative aspects. Furthermore, it discusses the role of legacy planning in mega-event management, using examples from other events such as Brazil's 2014 World Cup and Vancouver's 2010 Winter Olympics. The analysis concludes that while mega-events can have significant impacts on local communities, their sustainability and legacy are crucial factors to consider for successful event management.