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Why do we still not know what’s inside the pyramids?

“At last have made wonderful discovery in Valley; a magnificent tomb with seals intact recovered same for your arrival congratulations,” scribbled Howard Carter in a hurriedly written message to George Herbert, encouraging him to join him on the expedition. It was 1922 and Carter had just stumbled on the exquisitely preserved tomb of Egyptian pharaoh Tutankhamun.

“我终于在国王谷展开了奇妙的探险。这是一片完好无损的宏伟墓地,静静地欢迎你的到来。”霍华德·卡特(Howard Carter)在匆忙写给乔治·赫伯特(George Herbert)的信中鼓励他与自己一同进行这次探险。那是1922年,卡特当时刚刚无意间发现了埃及法老图坦卡蒙那座保存完好的精致陵墓。

The discovery of King Tut’s treasures instantly became a worldwide sensation. And although Tutankhamun wasn’t himself buried in a pyramid, the knowledge that other pharaohs were has led many to wonder what the undiscovered chambers inside the great structures might hold. But despite the fact that they’ve been standing in the desert for millennia, we still don’t really know much about the pyramids’ interiors.


Recently, US presidential candidate Ben Carson commented on his theory that the pyramids were actually primarily used for storing grain, much to the consternation of the US media. Why do pyramid mysteries and alternative theories persist even now? And why have we never explored them fully?

最近,美国总统候选人本·卡森(Ben Carson)发表了一番理论:他认为,金字塔的主要目的是用来储存粮食,这一观点令美国媒体惊愕不已。为什么有关金字塔的神秘传言和五花八本的理论至今仍在不断涌现?为什么我们始终都无法全面了解它们的内部情况?

For one thing, the pyramids are structures of outstanding archaeological importance. Indeed, they are so significant – from their complex designs to the hieroglyphs and artifacts found inside them – that any suggestion of breaking into internal tunnels or chambers forcibly would be seen as inappropriate and irresponsible.


Modern archaeological practice is concerned with “making sure we’re not harming the heritage that we’re trying to understand”, explains Alice Stevenson at University College London’s Petrie Museum of Egyptian Archaeology. For example, CyArk – a non-profit organisation – recently began to digitally preserve over 500 world heritage sites, from the Brandenburg Gate to the Ziggurat of Ur in Iraq using non-invasive lasers. Their technology will capture 3D images without the need to lay a finger on them.

伦敦大学学院皮特里埃及文物博物馆的爱丽丝·史蒂文森(Alice Stevenson)表示,现代考古实践都表现得非常谨慎,不遗余力地“避免我们努力研究的文物遭到破坏”。例如,非营利组织CyArk最近就开始通过数字技术保存500多处世界遗产,包括勃兰登堡门和伊拉克的乌尔塔等名胜古迹。他们的技术主要借助激光来实现,不必触碰文物即可为其拍摄3D图像。

But Stevenson also says that counter-theories about the pyramids actually being huge grain stores are not helpful.


“Archaeologists have in fact found grain silos in Egypt, they’re well known to us and they look nothing like pyramids,” she says. Egyptian officials have also chimed in recently to refute Carson’s ideas.


But that still leaves the question of what we know about the pyramids’ interiors. Take the Great Pyramid itself, in Giza. Built more than 3,000 years ago out of more than two million blocks of stone, the Great Pyramid is the biggest ancient pyramid in the world and today stands at 139m (450ft) tall, though it would have been slightly taller when first constructed. That’s a big building. But we only have access to a few chambers inside it, such as the great gallery and the king’s and queen’s chambers.


Recently, an international team of architects and scientists used infrared thermography to detect unexpected temperature differences in the stones of the Great Pyramid.


This has, perhaps, raised more questions than answers. Warmer temperatures on certain stones detected as the sun rises and sets could be an indicator of cavities or tunnels where airflow is present. However, there’s no easy way of knowing - the scientists involved in the project are under strict orders not to make invasive excavations. Either way, National Geographic reports that the Egyptian authorities are already interested in the idea of marketing tourist access to any chambers that might be found.


It’s something that would have to be orchestrated responsibly, but Stevenson says she understands why there might be interest in the idea. “I think it’s important for Egyptian tourism,” she comments, adding, “and I can understand that they would want to make the most of opportunities to exhibit wonders of the ancient world.”


Scanning and sensing technologies are likely to be the main tools for pyramid investigators in years to come. Infrared analysis from satellites in orbit around the earth has even helped locate buried pyramids, so there are plenty of examples now of how such technologies can enhance our understanding of these enigmatic structures.


But we might also be helped by robots. One chamber in the Great Pyramid not accessible by humans was, four years ago, explored with machines. A strange, tiny tunnel leads from the queen’s chamber to another blocked-off area. This has been known about since 2002 when a robot was used to drill through a stone “door” and film what was behind it. But the images didn’t show much. In 2011, a more flexible device was sent in and captured mysterious red hieroglyphs, which hadn’t been seen by human eyes for thousands of years.


Even this high-tech expedition provided just a tantalising glimpse of what is in this long-lost chamber of the Great Pyramid. Until the scientific evidence can enlighten us, we will remain in the dark about what other rooms might or might not be inside the pyramids of Egypt. For Stevenson, that sense of mystery is something we’ve lived with for a long time. Indeed, it’s been part of our cultural relationship with the pyramids for hundreds of years.


“They’ve been a source of wonder for many many centuries,” she says. “I think that’s the nature of monuments - they transcend so many [generations].”

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