What is this ancient object?!

Question: What is this ancient object!?

There is an ancient invention still used in some parts of the world today that allows people to see through walls!.

What is it!?Www@Enter-QA@Com

Answers:

A Window!.Www@Enter-QA@Com

windowWww@Enter-QA@Com

A windowWww@Enter-QA@Com

a HoleWww@Enter-QA@Com

oo oo let me guess
is this right
did i get it
windowWww@Enter-QA@Com

a window !?Www@Enter-QA@Com

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