Let's talk about the walls. To make the space of the room more interesting and emphasize all the important elements of the style, you can think about using decorative plaster (matte or glossy). An excellent option can be wallpaper with a gold or bronze coating. And of course, columns and arches can be the main accent.
How to choose textiles? Let's start with the curtains on the windows. Heavy and dense fabrics will add more value to the rooms. They can be combined with walls or other predominant decor in the space.
The decor theme is your flight of imagination. Remember how sculptures and busts of past centuries looked like, and with this feeling choose your decor for your apartment. Antique style will complement the interior. Don't forget about antiques. Old bookshelves, candlesticks, figurines and other interior items are always in place!