Kigali in the 1980s. Business in Rwanda has been growing in the 21st century, and many new buildings have arisen across the city, including the BCDI Tower, Centenary House, Kigali City Tower and Kigali Convention Centre. Tourism provides important input into the economy. Kigali is a province-level city governed by a city council who appoints an executive committee to run the day-to-day operations of the city. The executive committee consists of a mayor and two deputies. The city is split into three administrative districts: Gasabo, Kicukiro, and Nyarugenge. It contained parts of the former province of Kigali Rural. The administrative head
Kigali part of the upper headwaters of the Nile, forms the western and southern borders of the administrative city of Kigali, although this river lies somewhat outside the built-up urban area. The largest river running through the city is the Nyabugogo River, which flows south from Lake Muhazi before flowing west between Mount Kigali and Mount Jali, and draining into the Nyabarongo. The Nyabugogo is fed by various smaller streams throughout the city, and its drainage basin contains most of Kigali's territory, other than areas in the south which outflow directly to the Nyabarongo. The rivers are flanked by wetlands, which