20190711 夜晚的地球 必应壁纸

 夜晚的地球 今天是世界人口日。据估计，世界人口已达到50亿，联合国于1987年7月11日发布了纪念仪式。在未来32年里，目前世界人口估计约为76亿。夜晚的地球是由美国宇航局地球观测卫星“Suomi NPP”拍摄的。人口在增长，城市地区正在蓬勃发展。图片中央特别明亮的区域是印度。2015年至2019年间，全球排名前20位的城市中，有14个位于印度。

原文:

Today is World Population Day. It is estimated that the world’s population has reached 5 billion, and the United Nations issued a memorial on July 11, 1987. In the next 32 years, the current world population is estimated to be approximately 7.6 billion. The Earth at night was taken by NASA’s Earth Observation Satellite "Suomi NPP". The population is growing, and the urban areas are booming. The particularly bright area in the center of the picture is India. Of the top 20 cities in the world between 2015 and 19, 14 were in India.