In the butcher's shop, the door leading to the room in the back is another door than the door visible in the back room leading to the shop.
At approx. 18 Minutes and 54 seconds young Karl Bockerer and Ilona Szántó drive on the truck over the Chainbridge in Budapest to the University. On the bridge you can see the actual Hungarian national coat of arms. 1956 there was the so called "Rákosi-Wappen", the communistic coat of arms on the bridge with the red star, wheat ears around, hammer and a wheat ear in the middle.
At approx. 56 min and 7 sec you can see the building of the Hungarian parliament. 1956 there was a big red star on the top of of the central dome but no more 2000 the film was made.