A group of school kids sing a Chinese song at the delivery ceremony of the renovated Lewi Pethrus Primary School in the Ka-Tembe district of Maputo city in Mozambique, May 30, 2019. Chinese liquor giant Maotai Group on Thursday delivered a primary school here, on whose renovation and expansion it spent nearly 500,000 U.S. dollars. (Xinhua/Nie Zuguo)