 Complete the following phrase:  The synagogue is the only one of its kind in the Russian Federation. The permanent exhibition in the buildings premises shows everyday objects from Jewish life, some dating back to the time of the first Jews in Russia, and thus testifies to the Jewish contribution to the cultural and economic development of Russia. The tragic side of Jewish history is also part of the exhibition, which is not just about the Holocaust: in pre-revolutionary Russia, over 400 laws and ordices were in force that restricted the rights of Jews, especially in the areas of work, settlement, culture, education and practice of religious traditions. A significant part of the exhibition is dedicated to the history of the Holocaust. On display are mainly objects and documents that testify to the 