Riga Art Nouveau Centre is actually the home of the architect Constantins Peksens, who built more than 250 buildings of the city. The museum is a resemblance of a 1920 middle class apartment. Open from 10am to 6pm daily except on Mondays. Museum of Occupation of Latvia in Riga displays the Nazi and Soviet Occupations between 1940 and 1991in Latvia and demonstrates clearly the Soviet Oppression. Latvian Ethnographic Open Air Museum in Riga is open from 10am to 5pm. This open air museum contains 100 wooden buildings along the shores of Lake Jugla belong to all four regions.