Purple ball 紫の鞠

These flowers are so big! Almost more than half of my face. Many people look at them in astonishment and some take pictures. Do you know what they are called?

この花、すごく大きい!私の顔の半分以上の大きさです。通る人々の目を楽しませてくれます。写真を撮る人もいます。何という花かご存知?

Picture by Dieter Pasching May 2020 in Vienna