Spanish Dictionary

I hope you can understand the corrections this way... Two small errors. let me know if there is a word or sentence or phrase that you didn't understand! I will try to think more on the "since" question...
Once at the top we asked ourselves what this was all about. The site from the top was beautiful but it lacked atmosphere and the sunset was not that spectacular at all in our opinion.
the crowded buses, the various colors and the amount of casinos on the way simply amazed us. We were told that Lima is not the safest place, so that we decided to stay just one night, before continuing to Cuzco.
Once at the top we asked ourselves what this was all about. The site from the top was beautiful but it lacked atmosphere and the sunset was not that spectacular at all in our opinion.
the crowded buses, the various colors and the amount of casinos on the way simply amazed us. We were told that Lima is not the safest place, so that we decided to stay just one night, before continuing to Cuzco.