Traditional Latgalian pottery on the wall of the House – Museum of Polikarps Čerņavskis in Preili, Latvia. Traditional Latgalian pottery on the wall of the House – Museum of Polikarps Čerņavskis in Preili, Latvia.Traditional Latgalian pottery on the wall of the House – Museum of Polikarps Čerņavskis in Preili, Latvia.