Verb conjugation of "ensamblar" 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.
Right after desert it started to rain and it poured so that the entire camp got flooded. A few minutes later the electricity disappeared because of the water and we were sitting in the dark.
The express ferry took us to Macau, a Portuguese colony near the Chinese Guangdong province. Although the distance is not short the express ferry gets there in one hour and is totally modern and reliable.