Translation of bitumen in German

Next winter I'm going to Spain, where i hope to study Spanish. It's easy to visit Germany. Munich is a big city in Bayern...It's a nice city. Lot's of restaurants, nice buildings, a lake nearby and really friendly people.
Our fisherman stopped the boat and his nine year old girl opened a box with souvenirs, clothes and hats. We were in the middle of a river not going anywhere and had to start buying things.
Originally we planned to stay in Santiago for one day but due to her illness we prolonged our stay for two days. I walked around the city by myself, always staying close to the hotel.