May Day Demonstrations In Prague -- The "Dollar Dragon" passing through the Wenceslas Square, Prague. The Stars and a Stripes seems to form the hat-band of the "Dragon". Thousands of people with representatives from all the various State organisations, paraded through the streets of Prague in one of the biggest May Day celebrations ever seen in the Czech capital. Anti-American flavor in a public demonstration in Prague. The "Dollar Dragon" has a stars and stripes hatband. May 4, 1950. (Photo by Sport and General Press Agency Limited).