http://ibcf6qlyirfnc6vcfuv4y7k6oowwqz4jmcjbrkxov43feyqj6cnyvcqd.onion/living/visiting.html
The interior is as perfect as the exterior design, and is open to the public daily for no charge. Other buildings on the Square designed by Engel are the Palace of the Council of State, built in 1822, and the University buildings (1832), including the library, regarded as Engel’s finest masterpiece.