Halo is the optical phenomena produced by light interacting with ice crystals suspended in the atmosphere. Halos can have many forms, among the best known halo is the circular halo properly called the 22 degree halo
african worker using a circular saw and a clamp to cut wood in the workshop
Traditional African house( hut) Bakwena tribe. Southern Africa, Botswana.
factory with wheels to polish diamonds, checked on computer monitors,