The roadless Na Pali Coast on the heavenly north shore is one of the world's most challenging and majestic seaside hikes .
The Na Pali Coast is considered one of the planet's hardest and most beautiful seaside hikes.
A third group, not of different ethnic origin from the Japanese mainstream but unquestionably inferior in status, are the burakumin ( village dwellers,  a euphemism for their old caste name meaning  much filth  which was officially abolished at the end of the 19th century).