The kofia is a brimless cylindrical cap with a flat crown, worn by men in East Africa, especially Swahili-speaking cultures. Kofia is a Swahili word that means hat. The kofia is worn with a dashiki, a colorful African shirt which is called a kitenge shirt in some regions of East Africa. In Kenya, Muslims of all tribes wear the kofia with a kanzu, a white robe with a tassel. Recently, many Christians in Kenya have started to wear the kanzu as well. In Uganda, the kofia is worn with the kanzu on informal occasions. Jomo Kenyatta, the first President of Kenya, was often photographed wearing a kofia...

In topography, a nadir is a point on a surface that is lower in elevation than all points immediately adjacent to it. Mathematically, a nadir is a local minimum of elevation. A nadir may be the lowest point of a dry basin or depression, or the deepest point of a body of water or ice. The nadir of a body of water is often called a "deep", as in the Challenger Deep, the nadir of the Earth's oceans. == See also == Depression (geology) Endorheic basin Geoid List of places on land with elevations below sea level Maxima and minima Summit (topography) (antonym) Topography...