Translation of daraufhin

He also told me that he had build his scooter by himself. I could not understand how a doctor was able to build such a machine on his own. It seems that the circumstances made people capable of many things.
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.
The reason for doing an excursion to Macau was that we had to catch a flight back to Thailand. Air Asia offered a ticket for 50$, while the same flight from Hong Kong would be over 200$.