KIEV, UKRAINE - AUGUST 11: Muslims gather to perform the Eid Al Adha prayer at the Ar-Rahma Mosque in Kiev, Ukraine on August 11, 2019. Muslims worldwide celebrate Eid Al-Adha, to commemorate the holy Prophet Ibrahim's (Prophet Abraham) readiness to sacrifice his son as a sign of his obedience to God, during which they sacrifice permissible animals, generally goats, sheep, and cows. Eid-al Adha is the one of two most important holidays in the Islamic calendar, with prayers and the ritual sacrifice of animals. Vladimir Shtanko / Anadolu Agency/ABACAPRESS.COM

KIEV, UKRAINE - AUGUST 11: Muslims gather to perform the Eid Al Adha prayer at the Ar-Rahma Mosque in Kiev, Ukraine on August 11, 2019. Muslims worldwide celebrate Eid Al-Adha, to commemorate the holy Prophet Ibrahim's (Prophet Abraham) readiness to sacrifice his son as a sign of his obedience to God, during which they sacrifice permissible animals, generally goats, sheep, and cows. Eid-al Adha is the one of two most important holidays in the Islamic calendar, with prayers and the ritual sacrifice of animals. Vladimir Shtanko / Anadolu Agency/ABACAPRESS.COM

KIEV, UKRAINE - AUGUST 11: Muslims gather to perform the Eid Al Adha prayer at the Ar-Rahma Mosque in Kiev, Ukraine on August 11, 2019. Muslims worldwide celebrate Eid Al-Adha, to commemorate the holy Prophet Ibrahim's (Prophet Abraham) readiness to sacrifice his son as a sign of his obedience to God, during which they sacrifice permissible animals, generally goats, sheep, and cows. Eid-al Adha is the one of two most important holidays in the Islamic calendar, with prayers and the ritual sacrifice of animals. Vladimir Shtanko / Anadolu Agency/ABACAPRESS.COM