Primrose's field
It already looks quite 'wavy', but try slowly moving the mouse cursor up and down the center of the image — and focus on the cursor. You should see the picture 'waving' in an incredible way.
樱草地
如果这块图案看上去是有浪的，那么将鼠标在图像上上下移动，眼睛盯着鼠标，你会惊奇地发现，浪更大了。