evidence: Wadi Halfa is a town on the shores of Lake Nasser in the north of Sudan, and marks the point of entry into Sudan for those coming in from Egypt. It is surrounded by the dunes of the Nubian Desert, the eastern edge of the Sahara Desert, and has a population of around 15,000. Historically, Wadi Halfa was Nubia's most important trading point, being the gateway between Egypt and Sudan. Today the city's buildings are immaculate, surrounded by the golden dunes of the Nubian Desert. It is the stereotypical border town, small and full of paperwork, hassle, and dirt. [...] Wadi Halfa is a relatively small town and can be easily explored on foot. Another option is to borrow a donkey, which is the transport of choice for many Wadi Halfans.