SortStack #2932 — 2034-06-19

By size · Order from shortest to longest.

1. An acoustic guitar 99 cm

   The guitar's hollow body acts as an amplifier, resonating the strings' vibration into the air around it.

2. A classic Volkswagen Beetle 4.1 m

   The Beetle stayed in production for over 65 years, making it one of the longest-running car designs ever.

3. Mount Everest 8.8 km

   Its summit is made of marine limestone, lifted from an ancient seabed, so the top of the world was once underwater.

4. The Mariana Trench (depth) 11 km

   If Everest were dropped into it, the peak would still sit more than two kilometres below the surface.

5. The Panama Canal 85 km

   Ships are lifted 26 metres above sea level by locks, then lowered again, crossing a continent without touching the ocean between.

6. The River Thames (length) 346 km

   It was once so polluted that 1858's 'Great Stink' forced Parliament to finally build London's sewers.

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