Beams look extremely beautiful in interior and it seems that they fit to a modern as well as to a classical interior.
There are various solutions: some people leave original beams, others try to create an old ones image artificially or even put new bulks which even didn‘t exist in reality, others simply use horizontal beams and there are also such people who just backs them up by wooden columns.
If you have beams, you don‘t need to think about some extra ceiling or all area decoration because ceiling is fully complete. One should notice that beams are more suitable for high rooms. They are also very common in a public eating places.