To promote sustainable development and green living, Sino Group continues to support 'Earth Hour' organized by the WWF, a worldwide collective action to promote energy saving and environmental protection. One hundred and fifty-five properties of Sino Property Services participated and switched off lights at 8:30p.m. for one hour on 23 March 2013. To further encourage residents' participation and support, over 25 clubhouses organized a wide arrange of activities such as light painting and movie night.