Plovdiv Period of National Revival, a number of notable icon-painters (called in Bulgarian "zografi", "зографи") from all regions of the country worked in Plovdiv such as Dimitar Zograf, his son Zafir Zograf, Zahari Zograf, Georgi Danchov, and others. After the Liberation, the Bulgarian painter of Czech origin Ivan Mrkvička came to work in the city. The Painters' Society was established there by artists from southern Bulgaria in 1912 whose members included painters Zlatyu Boyadzhiev, Tsanko Lavrenov and Sirak Skitnik. Today the city has more than 40 art galleries with most of them being privately owned. The Art Gallery of Plovdiv was
Plovdiv Arts; and others. The 2009 International Olympiad in Informatics (IOI) was held at the University of Plovdiv "Paisiy Hilendarski", between 8 and 15 August 2009. The 2009 IOI Honorary Patron was Bulgarian President Georgi Parvanov. Between 1875 and 1906, the Zariphios School was one of the local Greek educational institutions that provided elementary and secondary education. Plovdiv Sports Complex consists of Plovdiv Stadium with several additional football fields, tennis courts, swimming pools, a rowing base with a 2 km-long channel, restaurants, and cafés in a spacious park in the western part of the city just south of the Maritsa river.