In the Kiliswa village, status depended upon how many bricks you could carry at once. If you put down any of your bricks, even for a second, you would immediately be pounced upon by your rivals.
It was a harsh life. It wore at you, carrying gigantic piles of bricks everywhere you went, day and night. Only the strongest survived; the rest perished.
Among the strongest were Ja and Na, twin brothers whose parents had died from carrying too many bricks at once (a twin pregnancy was especially hard, for the mother must carry her additional weight AND her bricks...