GABORONE, Dec. 22 (Xinhua) -- One morning, your correspondent braves the scorching sun and stops by the home of Mmabaledi Tebalo, a resident of Mokobaxane Village, Boteti region of northern Botswana.
As his mother and brothers are enjoying the coolness in the shade of a tree, Tebalo, 28, deftly turns on a faucet in a corner of his backyard. Clear tap water flows continuously. Tebalo first washes his face and the
