QUES: When Willumsen was in his severties he painted a series of three selfportraits that were intended to give posterity an impression of this very special artist

correct the punctuation.

CORRECTED: When Willumsen was in his severties, he painted a series of three self-portraits that were intended to give posterity an impression of this very special artist.

QUES: Your skies will be blue and filled with stars again

correct the punctuation.

CORRECTED: Your skies will be blue and filled with stars again.

QUES: Norway photos of Norway landscapes of Norway Preikestolen cliff in Norway images landscapes

correct the punctuation.

CORRECTED:
Norway, photos of Norway, landscapes of Norway, Preikestolen , cliff in Norway - images - landscapes