Is this some kind of giant’s fingerprint? Here at Råstahällen, it might feel like it! This smooth, rounded rock by Lake Råstasjön isn’t just any rock. It’s a “roche moutonnée,” a fancy word for a hill sculpted by the sheer force of an ice sheet thousands of years ago. Råstahällen is actually Solna’s only designated natural monument. Why so special? Look closely. See those scratches, those grooves etched into the rock? Those are glacial striations, my friends, and they tell a fascinating story. These striations, visible on Råstahällen, were formed by rocks and debris dragged along at the bottom of the massive ice sheet. They actually reveal the direction the ice was moving. What’s even more remarkable is that Råstahällen displays striations from not just one, but three different ice movements over millennia! Each set of striations tells a different chapter in the story of the last ice age, revealing how the ice shifted and changed direction over time. The oldest striations, preserved on the leeward side, offer us a glimpse into even earlier ice ages. So, take a moment to appreciate Råstahällen. It’s a silent storyteller, its surface a map of an ancient, icy past.
Центральный дом работников искусств
Step through the grand wooden doors of the Central House of the Workers of Art, and you’ll be transported to