After this rather unusual movement of the body, we return to the surface to enjoy a walk among the lovely and toxic castor oil plants (Ricinus communis), which push us into the next hole.

• 在做了这个相当不寻常的动作后，让我们重回到地面上，走走看看周围这些可爱却有毒的蓖麻油植物，它们又引发我们思考新的问题。