Chinese Ambassador to Costa Rica Tang Heng (4th from the right, 2nd Row) and Zhang Yongwen (3rd from the right, 2nd Row), an official with the Overseas Chinese Affairs Office of the State Council, pose with performers and guests during a Spring Festival gala in San Jose, Costa Rica, Feb. 21, 2018, as part of the annual Cultures of China, Festival of Spring tour. (Photo: China News Service/Yu Ruidong)
