Verb conjugation of "ensanchar" in Spanish

The bus left Havana and drove westwards towards a place called Viniales. After a short two hour ride we arrived there and once the bus entered the terminal we were greeted by dozens of people.
After getting up early I took a local car to get back to the center from where I took a coach to the long awaited city of San Cristobal de Las Casas. I have heard so much about this distant place.
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$, while the same flight from Hong Kong would be over 200$.