Polish ballet, rehearses her first appearance in London. Although the country has one of the oldest ballet schools in the world, founded in the 18th century, the Polish ballet is to give its first season in London in 1937, at the Covent Garden Opera house. The ballet Polonais was formed to develop and perfect a national art ballet for Poland. Photo shows, the 'bride and groom' (Olga Slavska and Czeslaw Konarski) in the bridal scene of the ballet 'Song of the Soil' based on peasant folk lore during a rehearsal at Covent Garden. 15 December 1937