Zanzibar Island is famous for its stunning beaches and white-sailed dhows on glittering turquoise waters, and deciding which shore to discover was a difficult decision. Bumbwini, Nungwi, Kiwengwa, Pongwe, Dongwe, or Kamikaze, the cheerful village names alone conjure joyous images.  From the Darajani Market in Stone Town, we boarded a daladala, the islands shared-taxi. The hour…