The essence of (Japanese buddhism) is the heart sutra. Here is its meaning.
Zen temples have beautiful aesthetics. Every littler part of a house, the garden, the floor is made with great care. Mindfulness, being aware of the moment, is then essence of Zen. These pictures are taking in one of the many temples in Kyoto.
Nature´s design at Horakuan, a Zen temple in the Nagano mountains.