Foto: "<a href="https://ccby.de/foto/board-game-concept-cards-with-questions-hourglass-and-cubes-with-numbers-on-a-white-background/1032194" target="_blank">Board game concept - cards with questions, hourglass and cubes with numbers on a white background</a>" von <a href="https://ccby.de/fotograf/marco-verch" target="_blank">Marco Verch</a> via <a href="https://ccby.de" target="_blank">ccby.de</a>, <a href="https://creativecommons.org/licenses/by/2.0/de/" target="_blank">CC-BY 2.0</a>