Complex sentence: Höglund has painted in oil since she was 12 years old and has had about 70 art exhibitions showing her work in Sweden amongst the places are Stockholm, Gothenburg, Västerås, Landskrona, Tällberg and Kungsbacka.
Split into simpler sentences: Höglund has painted in oil since she was 12 years old and has had about 70 art exhibitions showing her work in Sweden. Amongst the places where her work has been displayed are are Stockholm, Gothenburg, Västerås, Landskrona, Tällberg and Kungsbacka.