of most wall decorations, original floors in the wings and the original ceiling. New concrete floors destroyed the frieze in the main hall. Reconstruction In 2005, Borussia (Fundacja Borussia) and Association of Olsztyn’s Fancies initiated the reconstruction of the building which began in 2008. Borussia is a Polish Foundation founded in 1990 and dedicated to the unbiased research of East Prussian heritage in the area, which had been tabooed for decades in Communist Poland. The restoration project was made with the support of European Founds ("Operation Program Warmia and Mazury 2007-2013 ) The building and the adjacent cemetery were acquired by the Foundation for the Preservation of Jewish Heritage in Poland. Since 21 March 2013, the 126th anniversary of the Mendelsohn's birth, the building has been used as a center for intercultural dialogue by the "Borussia" Foundation and was named Mendelsohn House (Dom Mendelsohna) in memory of its architect. The gatehouse hosts the Borussia's offices, and Mendelsohn House is used for concerts, expositions, workshops and tourism. Description of the buildings The Mendelsohn House is a beautiful couple of Jewish buildings that were used to prepare Jewish burial ceremonies. Its history is deeply linked to the Jewish culture and the search for information leads automatically to the Jewish habits and tradition. In the Jewish culture the body is always hidden from the public and it is washed and dressed by a group of people, the Chevra Kadisha, that conduct this ceremony as volunteers. The Chevra Kadisha, the sacred society, is a group of pious men and women who have taken on the obligation of ritually preparing the deceased. They perform the Taharah, which means purification. These people ritually bathe the deceased and then dress the person in Tachrichim, shrouds, the Traditional burial garments. The Mendelsohn House has been shaped to be the perfect spot to organize and complete these tasks. The entrance of the first building was divided into three small rooms one adjacent to the others. The door led into the central room and at the left there was the bathing chamber where the dead bodies were washed following the Jewish rules. This ceremony was private, that's why the room was closed by walls, now the walls don't exist anymore, but it is still possible to see their marks on the floor and on the other main walls. The decoration of this room has been deduced from some small pieces