Having the world's youngest population, the Islamic Republic of Iran bears the responsibility of educating more than 18 million students at segregated schools.
Iran has a variable climate. In the northwest, winters are cold with heavy snowfall and subfreezing temperatures during December and January.
Christmas in Iran is known as the Little Feast. For the first 25 days of December, a great fast is observed, during which no meat, eggs, milk, or cheese is eaten.