Verb conjugation of "impulsar" in Spanish

All people held signs with names on them and on one plate I saw name, of course misspelled. I went with the person to his oldtimer car. We drove to his cottage and I was surprised about the nice reception.
The sky was dark blue and this is what my sister had told me many years ago when she was there. One of the reasons for that was the altitude of the city, I recall to be it above 2000 meters.
We landed at the same airport were we have started our trip three weeks earlier (before continuing to Cambodia), however this time we would stay for two days in the city. We were back in SE Asia.