The Angle of Repose
Within the Zen garden, the iconic, Fuji-esque “Moon-Viewing Platform” or Kogetsudai, is a conical mound of sand that stands as high as an adult. Ginkakuji is a World Heritage Site, so the Kogetsudai is almost certainly the world’s only UNESCO-listed sandcastle. Unlike a pyramid or a stone temple a sandcastle is an inherently evanescent structure, which must present a challenge to its curators.
Odd Odds
But if you think about it, you see a huge number of rare events in a single day — it is just that not all rare events are interesting events.