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Aerobatic team Storm Wings performs during a commemorative ceremony for pilot Rudolf Perisin in Gornja Stubica, Croatia, on Sept. 13, 2020. (Borna Filic/Pixsell via Xinhua)
Aerobatic team Storm Wings performs during a commemorative ceremony for pilot Rudolf Perisin in Gornja Stubica, Croatia, on Sept. 13, 2020. (Borna Filic/Pixsell via Xinhua)