Complex sentence: In 1942 his Berlin studio and much of his work was destroyed by bombs and he moved temporaily to Schorfheide, in 1945 he escaped from the Russians, only with a few personal items to the western part of Germany.
Split into simpler sentences: In 1942 his Berlin studio and much of his work was destroyed by bombs, and he moved temporaily to Schorfheide. In 1945 he escaped from the Russians, with only a few personal items, to the western part of Germany.