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As a solution to environmental issues regarding wastes (feces) occurred from trekking and mountain family camping trip, The "Natural: t" is a simplified eco-friendly toilet the tourists use when they pass water, through which their urine is biodegradable, and any seed grows at the place where the toilet is.
Jeju National Universal
Jeju-si, Jeju-do, South Korea
prof. JEON Sung-Su
Jeju National Universal
Jeju-si, Jeju-do, South Korea