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The activities included things like drawing a tree or a mandala, writing haikus, mindful walking, talking about cycles of life and death in nature, and so on.

The lines curl into dense molars and concise arabesques, like visual mantras, repeated to form airy mandalas.

They set up camping chairs under a bright blue sky during their session — a makeshift office without walls — and discussed how to create a circular design called a mandala.

One wall features several swirling mandalas pristinely plotted with a rainbow of ballpoint pens.

A man draws an eight-point mandala — an intricate, geometric design used in spiritual practice — to the vibrating hum of a Khmer chant.