) ▁ ▁of ▁the ▁total ▁area ▁under ▁vit icult ure . ▁The ▁ter rac ed ▁v ine y ards ▁used ▁to ▁be ▁much ▁smaller . ▁ ▁The ▁current ▁situation ▁has ▁emer ged ▁only ▁after ▁a ▁land ▁cons olid ation ▁in ▁the ▁ 1 9 6 0 s . ▁ ▁Unfortunately , ▁with ▁the ▁disapp earance ▁of ▁the ▁old ▁stone ▁walls , ▁a ▁valuable ▁habitat ▁for ▁micro organ isms ▁was ▁lost . ▁ ▁Some ▁old ▁style ▁terra ces ▁are ▁still ▁in ▁use ▁in ▁the ▁Middle ▁Rh ine ▁Valley . ▁ ▁They ▁continue ▁to ▁use ▁the ▁old ▁technique ▁of ▁binding ▁each ▁v ine ▁to ▁a ▁separate ▁pole . ▁ ▁In ▁the ▁Middle ▁A ges , ▁wine ▁was ▁the ▁only ▁non - g erm in ated ▁stor able ▁drink ▁for ▁the ▁common ▁people , ▁as ▁be er ▁was ▁often ▁expensive ▁and ▁of ▁poor ▁quality , ▁water ▁in ▁urban ▁areas ▁was ▁usually ▁poll uted ▁and ▁coffee ▁and ▁tea ▁were ▁still ▁unknown . ▁ ▁A ▁regional ▁special ity ▁of ▁the ▁four ▁valle ys ▁around ▁Bach ar ach ▁is ▁, ▁a ▁spe cially ▁treated ▁wine ▁that ▁was ▁trad ed ▁far ▁to ▁the ▁North . ▁It ▁now ▁again ▁being ▁manufact ured ▁at ▁Post hof ▁in ▁Bach ar ach . ▁ ▁It ▁was ▁one ▁of ▁the ▁dominant ▁items ▁of ▁trade ▁in ▁the ▁Middle ▁A ges , ▁fost ered ▁by ▁the ▁Rh ine ▁as ▁the ▁most ▁important ▁water way , ▁and ▁existing ▁Roman ▁roads . ▁ ▁It ▁was ▁val ued ▁by ▁land l ords , ▁as ▁growing ▁wine ▁appreciated ▁the ▁value ▁of