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 Colony center with a population over 60,000. In the aftermath of prolonged wars between the mainland Yoruba states, the colony established a protectorate over most of Yorubaland between 1890 and 1897. The colony and protectorate were incorporated into Southern Nigeria in February 1906, and Lagos became the capital of the protectorate of Nigeria in January 1914. Since then, Lagos has grown to become the largest city in West Africa, with an estimated metropolitan population of over 9,000,000 as of 2011. Lagos was originally a fishing community on the north of Lagos Island, which lies in Lagos Lagoon, a large protected harbour