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 Genocide Memorial Centre are the Murambi Memorial Centre, Bisesero Genocide Memorial Centre and Ntarama Genocide Memorial Centre and others at Nyamata and Nyarubuye. The remains of the people here were brought from all over the capital after they had been left in the street or thrown in the river. They are buried together in lots of 100,000. The memorial was opened in 1999. The centre here started when Kigali City Council and the Rwandan National Commission for the Fight against Genocide commissioned a UK-based genocide prevention organization called Aegis Trust to establish the Kigali Genocide Memorial Centre. In April 2004, on the 10th