2021-02-13 05:06:21 GMT2021-02-13 13:06:21(Beijing Time) Xinhua English Video Player by Yosley Carrero HAVANA, Feb. 12 (Xinhua)-- Wearing a N95 mask, Liu Guorui, a 35-year-old Chinese businessman living in Cuba, attends Spanish language classes every Sunday morning. Since he moved from China to Havana 10 years ago, he has embarked on a "thrilling and challenging experience" of learning a new language to "better communicate with locals." Liu, who works for a Chinese company based on the island, told Xinhua that Spanish language classes have not only provided him with vocabulary and gram...