A woman walks past huge pysankas, decorated Easter eggs, and Easter rabbits during the opening of the Pysanka Festival in Kiev, Ukraine on Thursday. /VCG Photo

500 Easter eggs and 374 Easter rabbits made by professional and amateur artists from all over Ukraine take part in the open-air festival which became traditional and opens before Orthodox Easter celebration. /VCG Photo

The Orthodox Church celebrates Easter on a different day than the Catholic Church and the majority of the world. /VCG Photo

To avoid any confusion in the date, the Orthodox Church determined that the vernal equinox would fall on March 21. This system would guarantee that all churches in the world would celebrate Easter together on the same day. /VCG Photo