http://www.yamakei.co.jp/news/release/20160614.html

https://gunosy.com/articles/Rwa2Z

http://m.japan.cnet.com/story/35086839/

http://www.itmedia.co.jp/news/spv/1608/11/news016.html

http://gigazine.net/news/20160811-sheepview360-faroe-islands/

http://www.itmedia.co.jp/mobile/spv/1608/11/news012.html

http://www.itmedia.co.jp/lifestyle/spv/1608/11/news007.html

http://www.jtrip.co.jp/magazine_tokyo/article/13355/