Complex sentence: Officially established as a regional park and nature reserve in 1970, the Parc Naturel Régional de Camargue covers 820 km² that are some of the wildest and most protected in all of Europe.
Split into simpler sentences: Officially established as a regional park and nature reserve in 1970, the Parc Naturel Régional de Camargue covers 820 km². This territory is some of the most natural and most protected in all of Europe.