<P> Egyptian Railways is the backbone of passenger transportation in Egypt, with 800 million passenger miles annually . </P> <P> Air - conditioned passenger trains usually have 1st and 2nd class service, while non-airconditioned trains will have 2nd and 3rd class . Most of the network connects the densely populated area of the Nile delta with Cairo and Alexandria as hubs . </P> <P> The Alexandria - Cairo - Luxor - Aswan link is served daily in both directions by air - conditioned sleeper trains of Abela Egypt . This service is especially attractive to tourists who can spend the night on the train as it covers the stretch between Cairo and Luxor . A luxury express train also connects Cairo with Marsa Matruh towards the Libyan border . </P> <P> The currency in Egypt is the Egyptian pound E £ or ج. م--can also be abbreviated as EGP and sometimes, LE or L.E. (which stands for livre égyptienne, French for "Egyptian pound"). The 1 / 100th unit of EGP is the Piastre . The approximate official exchange rate for $1 USD is E £ 17.97 EGP as of December 2016 . The Central Bank of Egypt controls the circulation of currency . As of May 2009, the currency notes in circulation have a denomination of EGP 200, 100, 50, 20, 5, 1 and Piastres 50, 25 . </P>

Impacts of tourism on the pyramids of giza