Pop Hong Kong double-girl band Twins shoot plane ads promoting this year's winter tourism festival in Hong Kong. [Photo: ent.sina.com.cn]

Pop Hong Kong double-girl band Twins became "Christmas Angels" in short films and plane ads promoting this year's winter tourism festival in Hong Kong.

The short films are expected to be broadcasted on TV starting this Friday.

The two charming girls, Gillian Chung and Charlene Choi, were invited by the Hong Kong Tourism Board.

The winter tourism festival is scheduled for November 30 to January 1 next year. During the event, festive activities in well-known tourist attractions such as Tsim Sha Tsui and Causeway Bay will showcase the colorful cultures of Hong Kong.