Things to sketch when nothing comes to mind

1. Mount Everest
2. Falcon's view of a landscape
3. A solitary cyclist/farmer/labourer (or any person doing any physical task all alone).
4. Sahara Desert
5. Shaheen (Peregrine Falcon)
6. Antarctica
7. Calligraphy
8. Car rally
9. Self-Portrait
10. A leaf/feather blowing in the wind.
11. A lion hunting
12. A tornado/hurricane/storm
13. Wild buffalo charging
14. A scene from a movie or a passage from a book.
15. Ant's view of a street