Parquet. Again in Russia. The Yusupov Palace is a must visit with reference to parquet flooring designs. But it is not the only one. Other palaces have their own designs. It was, most probably, a competition between extremely rich people at the time to have their palaces installed with the best parquetry inlay designs. Image 1: Probably restored or completely reinstalled. Absolutely beautiful parquetry work. Image 2: Parquet floor medallion inlay at Yusupov Palace, Sankt Petersburg, Russia