The Langham, Hong Kong: Will turn off its external lighting, promotional light boxes and non-essential illumination in the lobby, reception area and designated hotel restaurants for one hour.

• 香港朗廷酒店：将关掉酒店大堂、前堂部、部分餐厅及外墙宣传及照明电灯一小时。为鼓励客人支持及参与，届时将有魔术师于漆黑的大堂施展魔法幻影；