War Riddle - Sesame Open!, 1914/1918, 出典: Europeana 1914 - 1918 We begin this exhibition with a game - a war riddle. After visiting this exhibition, you might be able to solve this riddle. If not, we will tell you the solution. The game consists of nine concentric discs. On the largest are the questions to be answered: “Who began and who wins the war?”, the sales price, the prize-money for the sol