C352 Continuous Evolution

We searched until it was almost time for dinner. Finally, surrounded by a group of armored rhinoceroses, we found our target – the mutated rhinoceros king!

Qin Yun opened her mouth wide: "Ah! Why are the other rhinoceroses black while this mutated rhinoceros king is red? "

I could not answer this question as it was just too difficult, just like "Why do boys have a JJ while girls don't"