Reels tagged #monuments
Swipe up
Monuments
Machu Picchu was built without mortar
Inca masons cut stones so precisely that the walls interlock without cement and still survive frequent earthquakes.
Monuments
The Eiffel Tower grows in summer
Iron expands when heated, so on hot days the tower can stand up to 15 cm taller — and lean slightly away from the sun.
Monuments
Venice stands on millions of wooden piles
Its palaces rest on tree trunks driven into the lagoon mud. Starved of oxygen underwater, the wood petrified instead of rotting.