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The Ancient City of Sela | Lost Cities With Albert Lin

The Ancient City of Sela | Lost Cities With Albert Lin

[dramatic music playing] ALBERT LIN (VOICEOVER): 30 miles north of Petra, I’m laser scanning the ancient city of Sela for the very first time. I’m looking for clues that the nomadic Nabateans settled here. Look at this. There’s pottery just, like, falling out of the ground. That’s the indication for people living here. This is …

Neanderthals 101 | National Geographic

Neanderthals 101 | National Geographic

– [Narrator] Neanderthals are often depicted as brutish cave men, but science shows that our early ancestors were actually quite advanced. Neanderthals, or homo neanderthalensis, are our closest relatives in the human family tree. The species lived from about 400,000 to 40,000 years ago and inhabited an area that stretched as far was as Europe’s …

Air Pollution 101 | National Geographic

Air Pollution 101 | National Geographic

– (piano music) – [Women Speaker] Air pollution consists of chemicals or particles in the atmosphere, that pose serious health and environmental threats. But what causes air pollution? And what does it mean for our planet? Some air pollution comes from natural sources, like volcanic eruptions, wild fires, or allergens. But most air pollution results …

Titanic 101 | National Geographic

Titanic 101 | National Geographic

– [Narrator] The turn of the 20th century saw a golden age of industry and prosperity in many Western countries. One aspect of this era came to epitomize its grandeur and ultimately its downfall, the Titanic. Commissioned by the British shipping company, White Star Line, the Titanic was created to satiate demand for luxury travel …

Machu Picchu 101 | National Geographic

Machu Picchu 101 | National Geographic

– [Narrator] The stone city of Machu Picchu is one of the most fascinating archeological sites on the planet. Located northwest of Cuso, Peru, Machu Picchu is a testament to the power and ingenuity of the Inca people. During its prime, the Inca civilization stretched about 2500 miles along South America’s Pacific Coastline. From modern …

Oceans 101 | National Geographic

Oceans 101 | National Geographic

– Oceans cover over 70 percent of the Earth’s surface. They not only serve as the planet’s largest habitat, but also help to regulate the global climate. – The ocean is a continuous body of salt water that surrounds the continents. It is divided into four major regions: the Pacific, Atlantic, Indian and Arctic. The …

Solar Eclipse 101 | National Geographic

Solar Eclipse 101 | National Geographic

– [Narrator] A solar eclipse happens when a new moon moves between the Earth and the sun, blocking some or all of the sun’s rays from reaching the Earth. By cosmic chance, even though the sun is 400 times wider than the moon, it’s also 400 times farther away. Therefore, the two objects appear the …

Ancient Greece 101 | National Geographic

Ancient Greece 101 | National Geographic

– [Narrator] Art, philosophy, democracy, and heroes. These are just a few achievements of the legendary civilization known as ancient Greece. Ancient Greece was born on the shores of the Aegean Sea about 4,000 years ago. In over a millennium, it expanded to lands as far west as Spain and as far east as India. …