You can see by knowing the history of wine that the world has accepted.
History of history of wine of Yamanashi(Yamanashi wine brewing association)
http://www.wine.or.jp/wine/enkakushi.html
http://www.wine.or.jp/wine/enkakushi.html
History of Yamanashi wine industry(Yamanashi Prefecture Wine Shuzo Association)
http://www.wine.or.jp/wine/sangyoushi.html
http://www.wine.or.jp/wine/sangyoushi.html
Wine and grapes
http://www.pref.yamanashi.jp/wine/
http://www.pref.yamanashi.jp/wine/