FBI - 揭密联邦调查局 - 11

Thanks to Boylan's drawing, within 6 weeks, police follow a trail of evidence to this man, Richard Allen Davis, who looks nothing like the original police sketch, but very much like the man Boylan has

FBI - 揭密联邦调查局 - 10

Boylan interviews the girls separately, probing their memory for clues. She does not interrogate them, but engages them in casual conversation. Her questions are always indirect. I divert them through

FBI - 揭密联邦调查局 - 9

Boylan believes that a witness's memory is as crucial to a case as any physical evidence. What I would ultimately want would be for police to really protect that memory as evidence like they would any

FBI - 揭密联邦调查局 - 15

Coulson’s next move is to make Ellison believe that he controls his own destiny. He allows Ellison to go back inside to consider his options. But Coulson soon fears that his plan will backfire. Well

The Great Wall 万里长城 - 9

The Tang(唐) armies controlled vast areas on both sides of the Great Wall. So it was no longer needed as a defense and it fell into ruin. To maintain order in the steppes, the Tang preferred to make

The Great Wall 万里长城 - 10

In summer, dried-up river valleys offered easy invasion routes for horsemen bent on sacking the rich Chinese towns of the plains. And this is why these passes were heavily fortified, even though they

The Great Wall 万里长城 - 11

With the Mongols expelled, the new rulers, the Ming emperors, were determined that an invasion would never happen again. And so in 1368, when Europe was being decimated by the Black Plague(黑死病, 鼠

The Great Wall 万里长城 - 12

Here on a steep slope, defensive walls rise in steps up to the watchtower. So if the enemy did make it to the top of the wall, the crucial watchtowers could be fiercely defended. The watchtowers thems

The Great Wall 万里长城 - 13

The tombs all followed the same basic design, a temple in front and a walled enclosure with the underground tomb behind. Because Wanli(万历) ruled for so long, he constructed a huge tomb. And in 195

The Great Wall 万里长城 - 14

The new Manchu dynasty tried something different with their neighbors, diplomacy. Here in their lovely Summer Palace, they greeted delegations from all over the Eastern world. Attendance was compulsor

The Great Wall 万里长城 - 15 (END)

When the British arrived at the emperor's summer residence, they were lavishly entertained and spent days touring its beautiful parks and temples. Macartney(马戛尔尼), a good Englishman and loyal

Genghis Khan 成吉思汗 - 9

Temujin granted his blood brother his final wish and broke his back. The defeat and death of Jamuqa led to a sight never before seen in the history of Mongolia: the recognition of one man as the leade

Genghis Khan 成吉思汗 － 11

They feasted on the supplies they captured. Genghis Khan turned Beijing into a prison. Within the walls, thousands starved to death. The survivors resorted to cannibalism. Finally, Genghis Khan's army

Genghis Khan 成吉思汗 - 12

But despite the Mongol's attempts to master siege warfare, the Chinese were still much more advanced in their military technology. They responded by filling bombs with crude oil, molten metal, chemica

Genghis Khan 成吉思汗 - 13

For one month, his army plundered, burnt and raped. A year later, visiting foreign ambassadors described the streets as

Wild Africa - Deserts 浩瀚沙漠 - 13

But this hasn't always been so. Over the last 15 million years, Africa's climate has repeatedly swung from wet to dry and back again as Ice Ages have come and gone. At times the Kalahari has been much

Wild Africa - Deserts 浩瀚沙漠 - 9

It’s the wettest of all African deserts, the great Kalahari. The sands of the Kalahari cover more of southern Africa than any other desert. But the higher rainfall here gives it a very distinctive a

Wild Africa - Deserts 浩瀚沙漠 - 10

Living underground, mole rats are sheltered from the Kalahari's worst extremes of temperature. We think of deserts as hot places. But nightly temperatures can fall well below zero. At dawn, meerkat s

Wild Africa - Deserts 浩瀚沙漠 - 11

Cheetah s are sprinter s, not made for a long-distance chase. So they must get close. But springbok have keen senses. True to their name, springbok can leap two meters high. It's jumping with a purpos

Wild Africa - Deserts 浩瀚沙漠 - 12

Teamwork has helped the weavers find a neat solution to the problems posed by the Kalahari sun. But some creatures are even better equipped. Ground squirrels have ready-made parasols. Under the shadow