Complex sentence: In February 2012 the Smugglers Adventure re-opened after another set of major renovations, which included the installation of a brand new audio-visual infrastructure, and of new lighting systems to highlight the caves extraordinary architecture and natural geological formations.
Split into simpler sentences: In February 2012 the Smugglers Adventure re-opened after another set of major renovations, which included new lighting and a brand new audio-visual infrastructure. New lighting systems were also installed to highlight the caves extraordinary architecture and natural geological formations.