Photo taken on April 18, 2017 shows an aerial view of Sandton, north of Johannesburg, South Africa. The City of Johannesburg Local Municipality is situated in the northeastern part of South Africa with a population of around 4 million. Being the largest city and economic center of South Africa, it has a reputation for its man-made forest of about 10 million trees. (Xinhua/Zhai Jianlan)
