Nairobi of birds. The Nairobi Safari Walk is a major attraction to the Nairobi National Park as it offers a rare on-foot experience of the animals. Nairobi is home to several museums, sites, and monuments. The Nairobi National Museum is the country's national museum and the largest in the city. It houses a large collection of artefacts portraying Kenya's rich heritage through history, nature, culture, and contemporary art. It also includes the full remains of a homo erectus popularly known as the Turkana boy. Other prominent museums include the Nairobi Gallery, Nairobi Railway Museum, and the Karen Blixen Museum located in
Cathedral Basilica of the Holy Family, Nairobi administrative building for the archbishop's office was being built by the Chinese construction company Zhongxing Construction in 2011. The cathedral is the headquarters of the Archdiocese of Nairobi. The current archbishop is John Njue who was made a Cardinal in 2007. The Archdiocese of Nairobi contains an estimated population of 4 million people of which 1.6 million are thought to be Catholic. These 4,000 Christian communities are served by 182 clergy, eight university level education facilities and several places for retreat. Services are available through-out the week within the Cathedral and one of the chapels is always open. In addition