As we came to the top of a ridge in the bald hills near British Columbia’s northern Purcell Mountains, our guide, Beth Purser, who was leading a yoga retreat at Purcell Mountain Lodge, asked us all to take part in a meditative yoga exercise. She just asked us to pay attention to every detail of the stunning landscape around us. As a writer, I’m used to paying attention to details, but when I actually focused my efforts on the sounds, sights and smells around me, I was surprised by how much I had been missing. I noticed all the different shades of green, the glistening dew on pine needles and…