関武夫さんという自然を愛している方が生前持っていた森を、ご遺族の方が（財）埼玉県生態系保護協会に寄付したんですね。 Since Natural figures could contain 0 or not, it might be essential to know which Model is referred to. This is usually specified by the context, but may also be carried out by making use of a subscript or maybe a superscript during the notation, quite possibly with refer... https://share.evernote.com/note/74e6f5bf-4e0f-8a5f-1a27-70e011ebb01c