Heidelberg is in Baden-Württemberg state and the Neckar river flows through the city. Every year tens and thousands of international tourists are drawn to the city due to its romantic landscape. One should not miss the old town of Heidelberg (Altstadt) as well as the old castle (photo 2–5) on the mountain. However, I don’t recommend people pay the fee to enter the castle due to the fact that the beauty of this castle lies in…
