エジプトのこと、急な変更もありえますが・・・。
Metro ticket prices may rise if the government is unable to increase revenues through advertising
Waad Ahmed , Monday 22 Dec 2014
https://www.facebook.com/egyptnihon/posts/743045919120327
Government mulls raising Cairo metro ticket price: Spokesperson
http://english.ahram.org.eg/News/118576.aspx … @ahramonlineさんから
