Blackout curtains can significantly improve sleep quality by blocking out external light sources, which helps maintain the body's natural circadian rhythms and can lead to a more restful night.
One of the things that sets the Four Seasons apart from other hotels is their attention to detail. Housekeepers at most hotels perform basic tasks, such as making beds and providing clean towels; but the ones at the Four Seasons often go a step further with small touches to help guests keep their rooms pristine.
Concrete pools might sound "classic," but they can be a pain to install, cost a fortune and with ever increasing material and labour costs, plus weeks (often months) of building, the cost adds up fast.
Copper pipes offer longevity, durable performance for decades, and excellent heat transfer, but their higher cost and installation complexity makes them less favorable for DIY projects.