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EntertainmentTrains do not exhaust gas, only steam
On 10/10/2017, Alstom launched Coradia iLint at a factory in northern Germany.Germany is keen on using hydrogen fuel trains next year
Germany is planning to soon put into use hydrogen fuel trains to protect the environment in 2017 or 2018.
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Xinjiang - The Unincorporated Area in China
How many days on Earth is one day on the Moon?
Hubble telescope captures image of 'bridge' connecting two galaxies
Why is interstellar travel impossible today?
When cattle in a herd are attacked, why don't the others help?
In ancient times, there was no market in the palace, so where did the concubines spend their monthly money?
Ancient Diaries Reveal the Construction of the Great Pyramid of Giza
Discovery of mysterious dwarf planet beyond Neptune stuns astronomers
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