An old bus is displayed in Vienna, Austria on Sept. 9, 2023. Public Transport Day was held here on Saturday with various activities and entertainment. (Xinhua/He Canling)
Children interact with a robot dog in Vienna, Austria on Sept. 9, 2023. Public Transport Day was held here on Saturday with various activities and entertainment. (Xinhua/He Canling)
A kid experiences a tram driving simulator in Vienna, Austria, on Sept. 9, 2023. Public Transport Day was held here on Saturday with various activities and entertainment. (Xinhua/He Canling)
This photo taken on Sept. 9, 2023 shows the site of Public Transport Day events in Vienna, Austria. Public Transport Day was held here on Saturday with various activities and entertainment. (Xinhua/He Canling)
