By stacking a rock on an already made pile, the stacker makes a wish. To accidentally knock over the pile is slightly worse than breaking a mirror. This is a tradition found in many Buddhist temples.
This everyday treat is a sheet of seaweed wrapped around rice, pieces of spam, egg, radish, and other various things as chosen by the eater.
One of the school paid trips was to the mountains where exchange students rented a cabin and visited some of the gardens, which when seen from above is in the shape of South Korea.