Translation of agredir

Spanish people are always saying, that you have to live the moment, you have to live now, since you do not know what is going to happen in the future. I think it is because many have troubles.
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 city was incredibly vivid and we were impressed by its size. We walked a lot through all the different neighborhoods, starting with Recoleta, an upper class neighborhood with its famous cemetery.