Bestselling Swiss author Erich von Daniken believed they were built by stranded extraterrestrials.

瑞士畅销书作家埃里希·冯·丹尼肯认为它们是由受困的外星人建造的。

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One answer appeared in 1969, when the German researcher and writer Erich von Daniken proposed that the lines were drawn by extraterrestrials as runways for their aircraft.

1969年，德国研究人员兼作家埃里希·冯·丹尼肯提出，这些线条是外星人为它们的飞机绘制的跑道。

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Erich Segal: Love Story (1970).

埃里奇·西格尔：爱情故事(1970)。

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The German Army chief, General Erich Ludendorff, tried to capture the French capital without waiting to strengthen his forces.

VOA: special.2010.10.21

It changed his life. Erich took Houdin's last name, changed the pronunciation and added and "i" at the end.

VOA: special.2010.12.19

In July, the spotlight falls on Satyajit Ray, and in September on Erich von Stroheim.

BBC: NFT marks 50 with Kurosawa season

That is intentional, says Erich Clementi, IBM vice president of strategy and general manager, enterprise initiatives.

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Her father Erich told the Daily Telegraph newspaper she wanted to be a great artist.

BBC: Margaret Muller