动物王国里，谁是“人气之王”？它们家在哪里，有什么样的生活习性？The pandas are the most popular animals in the world! 在“全球最值得一看的动物”网上评选中，我们的国宝熊猫得了第1名。Other popular animals are dolphins, tigers, elephants and penguins. Let's visit them one by one...