(it’s hard to get curtains that block direct sunlight that well).
[These things](https://en.wikipedia.org/wiki/File:Stellladen_Roll_fcm.jpg) are pretty much ubiquitous in Italy in buildings since circa 1970s, and [these ones](https://en.wikipedia.org/wiki/File:Villa_Olmi_K.jpg) (which are somewhat less effective but still way better than a curtain) in earlier buildings.
[These things](https://en.wikipedia.org/wiki/File:Stellladen_Roll_fcm.jpg) are pretty much ubiquitous in Italy in buildings since circa 1970s, and [these ones](https://en.wikipedia.org/wiki/File:Villa_Olmi_K.jpg) (which are somewhat less effective but still way better than a curtain) in earlier buildings.