[...] Toward the end of the lecture, we were interrupted by a giant explosion. Everyone looked over towards the hut we had just been in, and then there was a second explosion that threw bowling ball-sized rocks a hundred feet in the air. Oh! They weren’t doing a dynamica on the other side of the meeting hut, they were using dynamite!!!!! Silly me. Pay attention in Spanish class, boys and girls, or you might wind up on the wrong end of something bad, be it explosives or just common fleas. …