RE: Virtual tour No. 63. Excursion to the Agate Rooms. Виртуальное путешествие No. 63. Экскурсия в Агатовые комнаты
By the way, the original parquet is still preserved there. It creaks a little when you walk on it, but it's still quite strong)
RE: Virtual tour No. 63. Excursion to the Agate Rooms. Виртуальное путешествие No. 63. Экскурсия в Агатовые комнаты