This document discusses MTR Corporation's role in building sustainable communities through rail transport and property development. Some key points: - Rail transport such as metro systems generate the least greenhouse gas emissions compared to other modes of transport. - MTR has expanded its operations outside of Hong Kong to cities around the world, operating over 845km of rail networks and developing property projects alongside stations. - In Hong Kong, MTR has used a "Rail + Property" model to develop over 13 million square meters of property space above 43 stations, creating sustainable communities with efficient transportation access. - MTR invests over HK$6 billion annually to maintain and renew rail assets to ensure sustainable, reliable service for