SortStack #2442 — 2033-02-14

By size · Order from shortest to longest.

1. A skateboard 79 cm

   The kicktail that makes tricks possible was a 1970s accident that turned skating into an aerial sport.

2. A one-person kayak 3.4 m

   The kayak was invented by Arctic peoples thousands of years ago, sealed with animal skin to stay watertight.

3. A wooden utility pole 18.5 m

   Most are pressure-treated with preservatives so they can stand outdoors for 40 years or more without rotting.

4. A tower of the Golden Gate Bridge 227 m

   The bridge's 'International Orange' colour was chosen partly because it stays visible in San Francisco's thick fog.

5. The CN Tower, Toronto 553 m

   Its glass floor can hold the weight of dozens of moose, yet many visitors still cannot bear to step on it.

6. 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.

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