MBC entertainment program 'Infinite Challenge' members Haha and Jung Hyung Don went to China to build bridge in deep mountains, carrying disappointment that what they had thought as vacation was actually more work.

On the most recent episode of the popular MBC entertainment program 'Infinite Challenge,' which aired on May 30, 2015, the Infinite Challenge members arrived at Bangkok, Thailand, for their vacation in celebration of 10 years of the program, They were asked to wait at the airport, only to realize they were to be sent to different places around the globe.

Haha and Jung Hyung Don were asked to go work in China. In China, they saw the construction site they were supported to work, and complained to the Infinite Challenge staffs.

The Haha and Jung Hyung Don team left for China. The Yoo Jae Suk and Hwang Kwang Hee team left for Mumbai, India. Lastly, the Park Myung Soo and Jung Joon Ha team went to Nairobi, Kenya. In related news, the MBC entertainment program 'Infinite Challenge' is one of the popular, long lasting entertainment programs in Korea. It features the Infinite Challenge members Ha Ha, Park Myung Soo, Yoo Jae Suk, Jung Joon Ha, and Jung Hyung Don.