Translation of seiden

I really worry about the health of obese people, especially the ones that I know in person (friends, relatives), because it is well known that overweight have a higher probability of heart attack.
The tour started soon and we first visited the ruins nearby, which was a ten minutes drive. A tour guide introduced us to each and every pyramid and told us stories about practically every stone.
Unfortunately, the boat's maneuvering system broke down and we were told that we could not take it. We were furious, but decided to make the best out of the situation. The offered to take the Red Dragon instead.