suppermariobroth:

In Super Mario Odyssey, a visual effect projects an image of objects onto the surface of water and distorts it to imitate rippling. However, in one particular spot next to the lower waterfall in the Cascade Kingdom, the effect is not applied correctly, leading to distorted images of Mario appearing beside him when viewed from certain angles.
_{Main Blog | Twitter | Patreon | Store | Source: myself, Super Mario Odyssey (Switch) on original hardware}