2011-4-15 15:3The cold stranger's Vietnam trip will take you to hike in Vietnam, experience the characteristics of ethnic minorities in Sapa, the old streets of Hanoi, Halon......
2008-1-30 8:0The Tower of Hanoi (also known as the Tower of Brahma) problem is actually an ancient Indian legend. The god Brahma, who created the universe (similar to Pangu......