Those little bubbles of clear froth at the edge of the pool contain the spawn of tree frogs, while those hummocks and hollows on the ground are the handiwork of the Formosan wild boar (Sus scrofa taivanus).
池邊一個個透明的泡泡，那是樹蛙的卵泡；地面上被挖掘的坑坑洞洞，那是山豬留下的傑作。