SortStack #1196 — 2029-09-17

By size · Order from shortest to longest.

1. A hen's egg 5.5 cm

   An eggshell has up to 17,000 tiny pores that let the developing chick breathe through the surface.

2. A French baguette 63 cm

   French law defines the traditional baguette so strictly it can contain only flour, water, salt and yeast.

3. Mount Fuji, Japan 3.8 km

   Though it looks serene, Fuji is an active volcano that last erupted in 1707, dusting distant Tokyo with ash.

4. The Strait of Gibraltar (narrowest width) 14.4 km

   It is so narrow that on a clear day you can see Africa from Europe across the water.

5. The cruising altitude of Concorde 18 km

   Concorde flew so high that passengers could see the curvature of the Earth and the dark of space above.

6. The Great Wall of China (total length) 21.2K km

   Contrary to the popular myth, it cannot actually be seen from the Moon with the naked eye.

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