Top 15 Mysterious Things Found Only In Japan sources
http://www.dailymail.co.uk/travel/travel_news/article-3393808/Don-t-worry-not-drowning-fake-swimming-pool-creates-illusion-visitors-submersed-nine-feet-water.html
http://www.lifebuzz.com/weird-japan/
http://www.huffingtonpost.co.uk/2013/02/01/yaeba-japanese-double-tooth-trend-expensive-crooked-smile_n_2596720.html
http://list25.com/25-crazy-things-you-will-only-find-in-japan/2/
https://diply.com/dip/article/wacky-things-only-in-japan
https://en.wikipedia.org/wiki/Japanese_adult_adoption
https://en.wikipedia.org/wiki/Kong?_Gumi
https://www.youcouldtravel.com/2016/04/17-weirdest-things-you-can-only-find-in-japan
http://vagabondays.com/2016/05/30/japanese-delights/
http://www.telegraph.co.uk/travel/destinations/asia/japan/galleries/weird-and-wonderful-things-about-japan/
https://en.wikipedia.org/wiki/Kanamara_Matsuri
https://finance.yahoo.com/news/working-towards-death-in-japan-140758364.html
http://mysteriousfacts.com/mystery-of-the-devils-sea/
https://www.cantechletter.com/2013/08/all-about-the-japanese-banishment-rooms-used-by-hitachi-sony-and-toshiba0826/
https://www.theverge.com/2014/5/2/5674448/nagoro-japanese-doll-village-photos-video
http://mysteriousuniverse.org/2017/04/the-mystery-monster-octopus-of-japans-far-north/
http://all-that-is-interesting.com/the-town-where-everyone-wears-a-gas-mask
https://en.wikipedia.org/wiki/Aokigahara
https://en.wikipedia.org/wiki/Aokigahara#/media/File:Aokigahara_forest_03.jpg
https://en.wikipedia.org/wiki/Hashima_Island
https://en.wikipedia.org/wiki/Hikikomori
http://www.theepochtimes.com/n3/326341-13-strange-things-you-might-see-in-japan/full/