(191216) — SIBENIK, Dec. 16, 2019 (Xinhua) — A participant controls his boat at the 24th regatta of radio-controlled sailboats in Sibenik, Croatia, Dec. 15, 2019. (Dusko Jaramaz/Pixsell via Xinhua)
(191216) -- SIBENIK, Dec. 16, 2019 (Xinhua) -- A participant controls his boat at the 24th regatta of radio-controlled sailboats in Sibenik, Croatia, Dec. 15, 2019. (Dusko Jaramaz/Pixsell via Xinhua)