Complex sentence: Originally the area to the east of the palace consisted of gardens and forests, some of which remain, but the Institute of Technology (founded in 1825), Wildparkstadion, and residential areas have been built there.
Split into simpler sentences: Originally the area to the east of the palace consisted of gardens and forests, some of which entre. The architect Friedrich Weinbrenner designed many of the city's most important remain, but the Institute of Technology (founded in 1825), Wildparkstadion, and residential areas have been built there.