Environmental Protection Department promotes "Use Less, Waste Less" message at Hong Kong Book Fair http://dlvr.it/Lr9mrN
You can add location information to your Tweets, such as your city or precise location, from the web and via third-party applications. You always have the option to delete your Tweet location history. Learn more
Environmental Protection Department promotes "Use Less, Waste Less" message at Hong Kong Book Fair http://dlvr.it/Lr9mrN