All visitors except Kenyan nationals must have a visa. Travelers arriving from an infected area must have proof of yellow fever inoculation. The chief tourist attractions are big-game hunting, early Christian monuments and monasteries, and the ancient capitals of Gonder and Aksum. There are seven national parks. In 2000, there were 135,954 international tourist arrivals, with receipts from international tourism at $68 million. That year there were 6,499 hotel rooms with 9,406 beds. In 2002, the US Department of State estimated the cost of staying in Addis Ababa at about $204 per day, depending upon the choice of hotel. Elsewhere in Ethiopia, daily expenses can be about $70.