Persons between 65 and 70 years of age can obtain a "PID Senior Pass" (available e.g. at the main railway station) for 20,- Kč (0.70 Euro), in order to travel through Prague (tariff zone P, 0 and B) at a cheaper rate (about half the normal rate). Proof of age is the EU identity card or passport, a passport photo is required. Persons aged 70 years and older travel free of charge on public transport in the city of Prague. Proof of age is required in the form of an EU identity card or passport.