If you were to greet a Neanderthal with a handshake, it might feel a little awkward.
원문출처 : https://www.cnn.com/2020/11/27/world/neanderthal-human-hands-thumb-grip-scn/index.html
원문출처 : https://www.cnn.com/2020/11/27/world/neanderthal-human-hands-thumb-grip-scn/index.html