I can give u this if u want
Answer:
Hello!!! Princess Sakura here ^^
Explanation:
The latest date that could be given to an art that was designated pre-columbian is before 1492. In 1492 Columbus set sail from Spain to America and so you know what happened and how the native americans died and that was the end of the pre-columbian art.
All i got is the improvement part which would be to control the natural lens flare and improve it by changing the focus of the camera