- International hotel groups plan 40,000 rooms across Africa, according to a survey
- Demand is driven by growing numbers of business travelers and lack of rooms
- Hoteliers' focus is concentrated on Africa's capital cities and major commercial centers
- Developers face several challenges in the form of bureaucracy, corruption and infrastructure
(CNN)Major international hotel chains are increasingly rolling out thousands of new rooms in Africa's business hotspots, keen to expand their footprint on the continent's burgeoning economies.