DOES THE WORLD REALLY EXIST?

The city of Barakat is an imaginary capital city of an imaginary land - the Land of Oz. In the famous story about the Wizard of Oz, everyone who enters the shining city is required to wear green glasses. The city is not green. But because of the glasses, in the eyes of everyone who is there, the shining city is a green city. Now leave the story of the children. Think about our consciousness, as humans. We also look at the world through glasses. We have eyes that see. We have a brain, which processes the sights. We cannot remove these glasses (eyes and brain). That is, we have no ability to know what the world "really" looks like, without human glasses. Is there even a "really" world? And maybe our glasses - that's all there is. Maybe, like in the Matrix, everything happens only in the head, and there is nothing outside? This is a question that many philosophers and scientists have grappled with. A question that was emphasized following three giant leaps of human thought: the philosophy