Kenyan President Uhuru Kenyatta speaks at the opening ceremony of the first session of the UN-Habitat Assembly in Nairobi, Kenya, May 27, 2019. The first session of the UN-Habitat Assembly opened Monday in the Kenyan capital Nairobi as participants gather to discuss ways of improving quality of life in cities and communities amid the rapid global urbanization. (Xinhua/Lyu Shuai)