The symbol of Sukkot is the sukkah covered with reed and a closed frond of a palm tree, consisting of four species. Rapidly dying organic matters are not fit for display in a museum, with the exception, however of the etrog which is part of the bouquet. The etrog, which is a yellow citron representing learned and observant Jews, does not disintegrate, it simply withers and dries out. These etrogim are a reminiscent of past Sukkots.