I had felt and heard her exhaustion before, thousands of times, but this time I was really worried. Staring at her weary engine, I figured out that this would be the abrupt end to our random Christmas day adventure.  For the second time in less than an hour, the engine of our old reliable van overheated. And, there was no way we were abusing her. It was time for us to return to the city and explore the wonders of Busay on another day. Yet, in a fascinating twist, I found myself admiring the beauty of a hidden waterfall inside the vicinity of Busay Holiday Pools. And, like a perfectly…