场景背景介绍 一位女士在一个小型研讨会中向听众介绍在纳米比亚考古的初步研究结果。在纳米比亚的石刻艺术中最著名的是石刻画和石雕。现代人对这些物件的理解是古纳米亚人会利用这些图画对孩子进行简单的数学,但依然有许多的谜团和奇异的现象是不能够被解释的。这些考古遗迹被开发后还遇到了非常大的问题——人为破坏。演讲者向听众提出了一些要求,说明参观时的注意事项,这样才能更好地保护这些文化遗产。

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Now before I invite you to join in a discussion in this second part of the seminar, I'd like to make some very important points about our fieldwork, and in fact any field trip to look at rock art. We're going to a number of sites, and we won't always be together. The single largest problem faced by people who manage the sites is, yes, I'm sure you've guessed, damage caused by visitors, even though it's usually unintentional. Whenever you do go to a site, don't forget you can learn many things from observing at a distance instead of walking all over it. This can really help to reduce visitor pressure. People often say, "Well, there's only two of us and just this one time", but maybe thousands of people are saying the same thing. And then some basic rules to guide you. We'll have our own camp near a village, but remember never to camp on a site if you go on your own. It may be disrespectful to the people of that culture, and certainly don't make fires, however romantic it may seem. It's really dangerous in dry areas, and you can easily burn priceless undiscovered material by doing so.