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How to cool cities – level 1
20-07-2022 07:00
The world is heating. More and more heatwaves happen...Black hole in our galaxy – level 3
18-05-2022 15:00
Eight synchronized radio telescopes worked together around the world...Problems in car business – level 3
13-09-2021 07:00
Car manufacturers are busy showing new electric vehicles at...Child Syrian Artist – level 3
21-06-2021 07:00
Syrian Rayan al-Abed held a solo exhibition for his...