A precise sundial on the floor is struck by a ray of light through a hole in the wall only during the summer and winter solstices . 🎨 Scientific & Artistic Works The name also applies to notable creative projects:

Many world-famous cathedrals hide secret details within their massive stone walls:

If you're looking to see these features in person, many offer specialized tours: St. Basil's Cathedral OpenRed Square, 7

Known for its incredibly rich tone, this is the largest bell in Goa and one of the most famous in the world. 📍 Plan Your Visit

A 13th-century stone floor pattern that pilgrims would walk as a "symbolic journey" to Jerusalem.