When I was in India 2001-2002 I meditated outside most of the time, sitting in the gras under a tree. From childhood and throughout life nature has been a refuge, a source of rejuvenation and reflection. In all the retreats I offer time outside is part of the experience.
Now and then when I am outside I record a short video and offer some guiding words. Here you can see: Meditation in Nature, YouTube videos: