The exhibit “Carnaval: Celebrations of the African Diaspora” is currently on display at the Pepco Edison Place Gallery, 702 8th St NW, from Feb. 2 to March 11. The exhibit consists of art from the Third Annual Black History Month Art Competition sponsored by Black Artists D.C. and Art Impact USA.   An opening reception is scheduled for Feb. 5 from 5 to 8 p.m. The gallery is open with free admission from noon to 4 p.m. each Tuesday through Friday.