National Geographic : 1938 Sep
KANO BUILDERS IN BAKED MUD HAVE DEVELOPED THEIR OWN STYLE OFARCHITECTURE Walls of the city are 11 miles in circumference. The gates are made of cowhide, set in the massive entrance towers. On the outskirts lies the English colony. Cricket, tennis, and polo flourish at a country club here in the heart of Africa. Within the walls inhabitants crowd amaze of alleys flanked by sun-baked huts.