United Nations tour guide Oliver Marsh (L) speaks to tourists at the UN headquarters in New York, April 17, 2019. Oliver Marsh, a New Yorker, is a Chinese-speaking tour guide at the visitor center of the UN headquarters. In February, when Chinese visitors peaked at the UN headquarters during the Spring Festival holidays, Marsh started guiding Chinese language tours. He is now the only Chinese-speaking tour guide at the visitor center whose native language is not Chinese. (Xinhua/Li Muzi)