It's a combination of these factors, that allows us to pose a realistic representation of what could have occurred.

这些因素结合在一起，让我们能提出较为真实的事件推演。

This carving is an amazingly realistic representation of the reindeer who, 13,000 years ago, were roaming in great herds across Europe.

这雕塑品逼真而惊人地重现了一万三千年前驯鹿群的姿态，成千上万，浩浩荡荡，游遍欧洲大陆。