Sheet #41

1. 01

   ReferenceUSB flash drive6 cm

   To size upCroissant15 cm

   Measured Length of a bakery croissant

   The croissant descends from the Austrian kipferl, which reached Paris in the 19th century.

2. 02

   ReferenceWater bottle32 cm

   To size upHippopotamus1.5 m

   Measured Shoulder height of an adult hippopotamus

   Despite its short legs, it runs at 30 km/h on land.

3. 03

   ReferenceConsumer drone35 cm

   To size upShipping container6.06 m

   Measured Length of a 20-foot shipping container

   World trade is counted in TEU: the equivalent of this 20-foot container.

4. 04

   ReferenceAdult1.75 m

   To size upStonehenge trilithon7.3 m

   Measured Height of the tallest Stonehenge trilithon

   The bluestones were brought from Wales, 250 km away.

5. 05

   ReferenceUmbrella1 m

   To size upQuetzalcoatlus10.5 m

   Measured Estimated wingspan of Quetzalcoatlus northropi

   It is one of the largest flying animals that ever lived.

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