Two sand calendars… One year “hourglasses”, each claims to the the largest. I really wonder how those bearings are holding up on the Timewheel. (More from Oddity Central with more pics.)
The Timewheel is the world’s largest hourglass, situated in Budapest, Hungary next to City Park, right of Heroes’ Square and behind the Palace of Art (Műcsarnok). It is made of granite, steel, and glass, and weighs 60 tons. The “sand” (actually glass granules) flows from the upper to the lower glass chamber for one year. – Wikipedia
And the other one from Japan filled with ‘”singing sand” at the Nima Sand Museum in Kotoga Beach shown below:
