Complex sentence: Għar Dalam Cave is a highly important site as it was here that the earliest evidence of human presence on Malta was discovered, dating back to the Neolithic Period some 7,400 years ago.
Split into simpler sentences: Għar Dalam Cave is a highly important site, as it was here that the earliest evidence of human presence on Malta was discovered. Artifacts date back to the Neolithic Period some 7,400 years ago.