Emergency team members from the Red Cross Society of China prepare to leave Beijing Capital International Airport for the Philippines on Nov 20, 2013. The first group of 17 members will help with disaster relief work. Typhoon Haiyan has killed more than 4,500 people. [Photo/ China Daily]

Rescue workers carry a body bag containing the body of a five-year-old boy as they walk past houses destroyed by Typhoon Haiyan in the town of Tanauan on Nov 20, 2013. The Philippines and international armed forces and aid agencies are struggling to get help to devastated areas due to the extent of the destruction, which has left four million people displaced. [Agencies]