HANOI, Vietnam Sing-alongs at a mini concert of a legendary singer, a surprise appearance of Vietnam s national hero, eye-catching choreography, and festivities: these were the moments that captured the hearts of some 1,000 people at the Korea-Vietnam Economic Cooperation Forum 2022 held at the InterContinental Hanoi Landmark72 Friday. The event, designed to celebrate the 30 years of economic ties between South K.