Complex sentence: Mostly known for his infamous pictures of the supposed "wall of the world" and topsecret American army bases nearby the site, Bjorksson dissapeared in January 1980, causing mass uproar in his homecountry of Norway.
Split into simpler sentences: Mostly known for his infamous pictures of the supposed "wall of the world" and top-secret American army bases nearby the site. Bjorksson disappeared in January 1980, causing mass uproar in his home country of Norway.