Free images results:
 

Observer pictures, stock photos and images

 
1


 
 
1


 
Also, here are some commercial RF-licensed images that match your search criteria:  
Observer Royalty Free Stock Images
Author: Leshek
Observer Stock Photography
Author: Cyrano
Observer Royalty Free Stock Photos
Author: Allx
Observer Stock Image
Author: Allx
Observer Stock Photos
Author: Allx
Observer Stock Images
Author: Allx
Observer Royalty Free Stock Images
Author: Roma74
Observer Stock Photos
Author: Sabphoto
Observer Royalty Free Stock Photos
Author: Sabphoto