Translation of bromista

I hope you could understand my last letter to you. You see, when I write in Spanish I am not very confident. I always question myself and each and every sentence takes about fifteen minutes.
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 ice blocks that usually break off during the summer started already to break off in spring due to the Global warming. The glaciers in general were loosing volume as we were told and as we could see.