Ukrainian Auxiliary Police. According to Nazi German reports, in two days a total of 23,600 Jews from the Kamianets-Podilskyi Ghetto were murdered, including 16,000 expellees from Hungary. As the historians of the Holocaust point out, the massacre constituted a prelude to the Final Solution conceived by the Nazis at Wannsee several months later. Eyewitnesses reported that the perpetrators made no effort to hide their deeds from the local population. Climate Culture Main sights The different peoples and cultures that have lived in the city have each brought their own culture and architecture. Examples include the Polish, Ruthenian and Armenian markets. Famous tourist attractions include the ancient castle, and the numerous architectural attractions in the city's center, including the cathedral of Saints Peter and Paul, Holy Trinity Church, the city hall building, and the numerous fortifications. Ballooning activities in the canyon of the Smotrych River have also brought tourists. In May and October, the city hosts Ballooning festivals. In addition, everyone can book a balloon flight even not during the time of the festival. Since the late 1990s, the city has grown into one of the chief tourist centers of western Ukraine. Annual Cossack Games (Kozatski zabavy) and festivals, which include the open ballooning championship of Ukraine, car racing and various music, art and drama activities, attract an estimated 140,000 tourists and stimulate the local economy. More than a dozen privately owned hotels have recently opened, a large number for a provincial Ukrainian city. "Respublica" Festival a music and art festival for youth featuring modern music, literature, and street art. This festival is held annually, gathering hundreds of young art lovers, musicians, and art enthusiasts. Many of the city's buildings are decorated with murals, created during these festivals. The murals depict historical events, as well as modern concepts. International relations Twin towns – Sister cities Kamianets-Podilskyi is twinned with: Dolný Kubín, Slovakia Kalisz, Poland Zalau, Romania Brantford, Canada Notable residents Mikhail Alperin (born 1956), Ukrainian jazz pianist Andrei Bondarenko (born 1987), Ukrainian operatic baritone, born here Nikolai Chebotaryov (1894–1947), Russian and Soviet mathematician, best known for the Chebotaryov density theorem. Moisey Gamarnik (born 1936), Soviet and Ukrainian physicist and inventor, born here Sergey Gorshkov (1910-1988), Russian and Soviet Admiral of the fleet of the Soviet Union, born here David Günzburg (Baron de Günzburg; 1857–1910) Russian orientalist and Jewish communal leader, born here Israel J. Hochman (1872–1940), American klezmer violinist and recording