People ride bikes during the 2024 Argus Bike Festival in Vienna, Austria, on April 14, 2024. (Xinhua/He Canling)
People ride bikes during the 2024 Argus Bike Festival in Vienna, Austria, on April 14, 2024. (Xinhua/He Canling)
Children ride bikes during the 2024 Argus Bike Festival in Vienna, Austria, on April 14, 2024. (Xinhua/He Canling)