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. 2024 Aug 19;12(1):143–155. doi: 10.1093/emph/eoae017

Figure 3.

(a) A juvenile chimpanzee swinging on a rope connected to a large tree. (b) A child swinging on the monkey bars with a school in the background. (c) A child hanging from her arms on a raised bar attached to a playground with forest in the background. (d) A sign for a playground, in the shape of an arrow, that reads: “Adventure Playground, Old Dalkeith Road, The Inch”.

Suspensory behaviors of juvenile primates. (a) Juvenile chimpanzees spend more time climbing and swinging than adults [86], a pattern shared with humans; photograph by Eric Kilby, reproduced with permission. (b) Child arm-swinging on modern-day monkey bars with a maximum height of 2.2 m. Compare the mulched surface with those from earlier eras in Fig. 2. Location: Norwich, Vermont, USA; photograph by Z.M.T. (c) In Europe, adventure playgrounds are designed to promote thrill-seeking behavior, including potential fall heights exceeding 3 m; photograph by N.J.D. (d) Street sign highlighting the adventurous philosophy of Craigmillar Castle Park Playground, Edinburgh, Scotland; photograph by N.J.D.