Original sentence: Lelewel Palace () was a rococo palace on the Miodowa Street in the Warsaw Old Town, which was also unofficially named "Palace Street" (ulica Pałacowa)
Edited sentence: Lelewel Palace () was a rococo palace on the Miodowa Street in the Warsaw Old Town, which was also unofficially named "Palace Street" (ulica Pałacowa) because of its gorgeous palaces