Complex sentence: Among the highlights of the work was the restoration of an enormous original mural by artist Amelia Peláez over the main entrance which had spent decades hidden from public view and the Salon Turquino, a popular dance club located on the top floor.
Split into simpler sentences: Among the highlights of the work was the restoration of an enormous original mural by artist Amelia Peláez over the main entrance which had spent decades hidden from public view. The Salon Turquino is a popular dance club located on the top floor.