In Western Cultures future is associated with the forward direction. Past is associated with bacward direction. We leave the past "behind" and look "forward" for a better future. In some Andean cultures this is reversed. Future is unclear, we don't know it, we cannot see it. Just like our backs. Past on the other hand, is all known to us, we can analyze it, look it at every direction. Just like the wide view in front of us.
A certain tribe in the Ocenia lives in a perpetual Wednesday. Their week is composed of today, tomorrow, the day after tomorrow, the day after the day after tomorrow, yesterday, the day before yesterday, the day before the day before yesterday. In other words, they are really living the moment, just like some "self help" gurus say. I ain't convinced, that I wanna live the moment...
Finally, there are no curtains in Japan. The influential Japanese classical music composer Tōru Takemitsu was touched so much by the flickering of curtains in wind, that he wrote a piece about it.
Why have I written about these? Just to remind myself to be aware of "universals" in Human life.