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Saving the Panama Canal – level 2
10-07-2024 15:00
In 1913, workers flooded Lake Gatun to make the...Mars helicopter – level 2
06-04-2021 07:00
NASA’s Perseverance rover landed on Mars on February 18,...Moon Landing – level 2
07-12-2020 15:00
Last week, China’s spacecraft successfully landed on the moon....Fight for Alaska Oil – level 2
19-11-2020 07:00
The US president, Donald Trump, wants to sell drilling...