I apologize, upon reviewing the document I do not see any clear topic or main idea to summarize. The document appears to be a collection of unrelated statements, questions and facts that do not cohesively discuss a single event, person, place or idea. Without more context around what this document is trying to convey, I do not feel I can provide an accurate high-level summary in 3 sentences or less.

4. These are the paintings of which famous person ?

5. Adolf Hitler

6. Name the place marked A in Oregon district of USA :

8. What is special about this ?

10. Which company’s ad is this ?

12. What is special about this doodle ?

13. This is the first doodle by Google. Burning man doodle.

14. " The quick brown fox jumps over the lazy dog " .what is special in this ?

16. Name this character and In what comics does she come ?

17. Irona . Riche rich !