In Photos: Muslims in Russia Celebrate Eid al-Adha
Muslims across Russia this week are celebrating the holy festival of Eid al-Adha, or "The Feast of Sacrifice," the second and largest of the two main holidays celebrated in Islam.
The holiday, which this year takes place from June 28-July 1, commemorates the prophet Ibrahim's willingness to sacrifice his son on God's orders.
At Moscow's Cathedral Mosque, hundreds of worshippers took part in prayers:
The holiday, which this year takes place from June 28-July 1, commemorates the prophet Ibrahim's willingness to sacrifice his son on God's orders.
At Moscow's Cathedral Mosque, hundreds of worshippers took part in prayers:

Worshippers take part in a prayer ceremony at Moscow's Cathedral Mosque.
Sergei Kiselev / Moskva News Agency

Russia is home to the largest population of Muslims in Europe and Islam is the country's second-largest faith after Orthodox Christianity.
Sergei Kiselev / Moskva News Agency

The removal of shoes is mandatory when entering a mosque.
Arthur Novosiltsev / Moskva News Agency

Russia's Muslim population predominantly comes from its North Caucasus regions as well as the republics of Tatarstan and Bashkortostan.
Arthur Novosiltsev / Moskva News Agency

Worshippers traditionally wear their new or best clothes on this holiday.
Arthur Novosiltsev / Moskva News Agency

Moscow's Cathedral Mosque has a maximum capacity of 10,000 people.
Arthur Novosiltsev / Moskva News Agency

Men take part in a prayer ceremony.
Arthur Novosiltsev / Moskva News Agency

A man sits on a prayer rug outside the mosque.
Sergei Kiselev / Moskva News Agency

Those who cannot find a place inside the mosque gather to pray on the streets.
Sergei Kiselev / Moskva News Agency

Muslims typically greet one another with "Eid Mubarak" while Eid al-Adha is celebrated, particularly after the end of a prayer..
Sergei Kiselev / Moskva News Agency