Lagos and Victoria Island. Three major bridges join the island to the mainland. They are the Carter Bridge, which starts from Iddo; the Eko Bridge (formerly called the Second Mainland Bridge); and the Third Mainland Bridge, which passes through densely populated mainland suburbs to the Lagos Lagoon. Lagos Island contains a central business district. This district is characterised by high-rise buildings. The island also contains many of the city's largest wholesale marketplaces (such as the popular Idumota and Balogun Markets). It also has the National Museum of Nigeria, the Central Mosque, the Glover Memorial Hall, Christ's Church Cathedral (CMS) and the
Lagos on the island. This is also where most of the country's commercial banks, financial institutions and major corporations are headquartered. Lagos is also the major Information Communications and Telecommunications (ICT) hub of West Africa and potentially, the biggest ICT market in the continent. Lagos is developing a 24-hour economy and has also been ranked as one of the most expensive cities in the world. In some parts of Lagos, residents have one of the highest standards of living in Nigeria and in Africa. At the same time, a sizable proportion of the residents live in slums without access to piped