sentences:  Also organized by the Travel Scientists, the Central Asia Rally is a road rally in which participants drive vehicles overland from Budapest, Hungary to Dushanbe, Tajikistan, winding through Ukraine, Russia, Kazakhstan, Uzbekistan, following the path of Marco Polo, the Silk Way and the Pamir Highway.It is not a race, but instead a self-guided tour of the rugged terrain and local culture.The course is about 8,000 kilometres long and takes 18 days to complete.