Foreigners eating China's traditional "most disgusting" food until they throw up

Recently, CNN selected the most disgusting food in Americans' mind -- the pidan (preserved duck egg), but how disgusting it is? In a food challenge of the "Survivor: China", the host provided the contestants with traditional Chinese foods such as golden coin turtle, loach, balut, pidan and chicken heart. However, these delicacies were difficult for foreigners to swallow.