They were back to travelling on foot after taking a large wagon all the way to Plzen, the Western side of Bohemia. Their goal was to reach Prague Castle, which was where the king resides as well as the kidnapped Prince.
Also known as Pilsen, brewery was just as prevalent here as it was in Bavaria. Much, much later in the 1840s, about 90 years from when the story is taking place now, it will be famous for Pilsen beer, also known as Pilsner. Not to mention the lager for Pilsner or the City's Brewery.
But since that wasn't built around this time yet, the greatest pride in architecture for Plzen would be the Cathedral of St. Bartholomew, home to the tallest tower in Bohemia and the great view of the whole central city from such height.
Ren Jidian wanted to take the time to climb this tower and have some sight-seeing with the prince, maybe even kiss at a romantic backdrop like this... though he was not sure if he would like to do so.