A Vietnamese archeol...: A Vietnamese archeologist explains feature of a ceramic bowl found as the ancient royal citadel of Thang Long is being excavated in Hanoi. This Forbidden Citadel was used by many Vietnam's former dynasties from 11th to 18th centuries. It was uncoverd when a new National Assembly House was built in Hanoi in 2003 and has become a priceless archeological relic in Hanoi. KTS photo/ Nguyen Hong Sam /Nguyen Hong Sam