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The image of Nikola Tesla is projected on a fountain on the occasion of the 164th anniversary of the birth of the scientist in Zagreb, Croatia, on July 9, 2020. (Matija Habljak/Pixsell via Xinhua)
The image of Nikola Tesla is projected on a fountain on the occasion of the 164th anniversary of the birth of the scientist in Zagreb, Croatia, on July 9, 2020. (Matija Habljak/Pixsell via Xinhua)