- Stone Town in Zanzibar City is a UNESCO World Heritage Site, 19 miles off the coast of Tanzania
- A growing population and increased motorists have led to the deterioration of many historic buildings
- Farouque Abdela and Othman Rashid Omar are fighting to 'preserve and promote' Stone Town's rich heritage
(CNN)To walk the streets of Stone Town in old Zanzibar City is to step back in time; to feel the echoes of untold wealth that once pulsed through this UNESCO World Heritage Site, 19 miles off the coast of Tanzania. Persians, Arabs, Indians and Europeans have all laid claim to these islands across Zanzibar's long history. Like a palimpsest, it bears the mark of each culture that has settled there.