Kigali Rwanda's highest buildings, including the 20-storey Kigali City Tower, are located in the CBD, as are the headquarters of the country's largest banks and businesses. Other buildings in the CBD include the upmarket Serena, Marriott and Mille Collines hotels, the University Teaching Hospital of Kigali, the national university's College of Science and Technology, and government buildings such as the National Bank of Rwanda and the Ministry of Finance and Economic Planning. To the south west of the CBD, and also on the Nyarugenge Hill, is the suburb of Nyamirambo. This was the second part of the city to be settled,
Kigali new independent nation, but Kigali was chosen because of its more central location. The city grew slowly during the following decades, but retained a small-town feel, with just 25,000 people and five paved roads by the early 1970s. On 6 July 1973 there was a bloodless military coup, in which minister of defence Juvénal Habyarimana overthrew ruling president Gregoire Kayibanda. Businesses closed for a few days, and troops patrolled across the city, but life had returned to normal and the army had left the streets by 11 July. In April 1994 President Habyarimana was assassinated, when his plane was shot