We often hear that breweries that moved to Manchuria before the Pacific War and tried to brew sake for Japanese people who lived there, had difficulty finding water that could be used.
太平洋戦争前に満州へ渡り、在留日本人のために当地で日本酒を造ろうとした醸造業者たちが利用できる水を見つけるのに苦労したという話が多い。