Easter
http://www.holidays.net/easter/index.htm
http://holidays.kaboose.com/easter/
http://goeasteurope.about.com/od/russia/a/easterinrussia.htm
Presentation
http://school69rzn.ucoz.ru/easter1.ppt
Web-quest
http://www.schools.pinellas.k12.fl.us/educators/tec/Pioli/index.html
