Begin specifies the index at which you would like to start off the slicing. The resulting slice contains the item at this index. But there are guided tours each individual hour or so in which the various historic rooms and the gallery of metropolis leaders' portraits are explained (in German https://berlin87653.ttblogs.com/6233722/the-smart-trick-of-rechargable-cloned-credit-cards-that-no-one-is-discussing