Ukraine, Natsional’na biblioteka Ukrainy im. V. I. Vernadskoho (V. I. Vernadskyi National Library of Ukraine), http://www.nbuv.gov.ua
Ukraine, Kiev, National Museum: rich collection of Byzantine and Russian Icons (from Sinai). http://en.wikipedia.org/wiki/National_Art_Museum_of_Ukraine
Ukraine, St Sophia Church, Kiev, the doyen of Russian churches, was built between 1017-1037 by Yaroslav the Wise, in commemoration of a victory over the Petchenegs. It consisted of five naves, later increased to nine, leading up to five