Surrounded by seven hills, “the city of brown roofs” – Ibadan, is the second biggest in Nigeria. Its the capital of Oyo state, one of 36 states of Nigeria and the largest one in south western Nigeria region, well known as Yorubaland – the cradle of Yoruba ethnic group civilisation. Its the largest thriving culture in Africa that counts more than 40 million people, nowadays considered as one of the most urbanized people on African continent.