tribute to the first human trip into space. Two major Christian holidays are Easter and Trinity Sunday. Art and architecture Early Russian painting is represented in icons and vibrant frescos. In the early 15th-century, the master icon painter Andrei Rublev created some of Russia's most treasured religious art. The Russian Academy of Arts, which was established in 1757, to train Russian artists, brought Western techniques of secular painting to Russia. In the 18th century, academicians Ivan Argunov, Dmitry Levitzky, Vladimir Borovikovsky became influential. The early 19th century saw many prominent paintings by Karl Briullov and Alexander Ivanov, both of whom were known for Romantic historical canvases. Ivan Aivazovsky, another Romantic painter, is considered one of the greatest masters of marine art. In the 1860s, a group of critical realists (Peredvizhniki), led by Ivan Kramskoy, Ilya Repin and Vasiliy Perov broke with the academy, and portrayed the many-sided aspects of social life in paintings. The turn of the 20th century saw the rise of symbolism; represented by Mikhail Vrubel and Nicholas Roerich. The Russian avant-garde flourished from approximately 1890 to 1930; and globally influential artists from this era were El Lissitzky, Kazimir Malevich, Natalia Goncharova, Wassily Kandinsky, and Marc Chagall. The history of Russian architecture begins with early woodcraft buildings of ancient Slavs, and the church architecture of Kievan Rus'. Following the Christianization of Kievan Rus', for several centuries it was influenced predominantly by Byzantine architecture. Aristotle Fioravanti and other Italian architects brought Renaissance trends into Russia. The 16th-century saw the development of the unique tent-like churches; and the onion dome design, which is a distinctive feature of Russian architecture. In the 17th-century, the "fiery style" of ornamentation flourished in Moscow and Yaroslavl, gradually paving the way for the Naryshkin baroque of the 1680s. After the reforms of Peter the Great, Russia's architecture became influenced by Western European styles. The 18th-century taste for Rococo architecture led to the splendid works of Bartolomeo Rastrelli and his followers. The most influential Russian architects of the eighteenth century; Vasily Bazhenov, Matvey Kazakov, and Ivan Starov, created lasting monuments in Moscow and Saint Petersburg and established a base for the more Russian forms that followed. During the reign of Catherine the Great, Saint Petersburg was transformed into an outdoor museum of Neoclassical architecture. Under Alexander I, Empire style became the de facto architectural style. The second half of the 19th-century was dominated by the Neo-Byzantine