▁mar sh es ▁is ▁located ▁by ▁the ▁tid al ▁mill ▁of ▁the ▁Poz o ▁path . ▁It ▁includes ▁an ▁Inter pret ation ▁Center ▁of ▁man ▁and ▁the ▁mar sh . ▁This ▁tid al ▁mill ▁dates ▁from ▁the ▁ 1 8 th ▁century ▁and ▁has ▁been ▁re h abil itated . ▁In ▁it ▁one ▁can ▁discover ▁how ▁man ▁has ▁explo ited ▁the ▁mar sh es ▁in ▁varying ▁forms ▁for ▁his ▁benefit , ▁within ▁the ▁possibilities ▁offered ▁by ▁the ▁mar sh es . ▁Kn own ▁as ▁the ▁P aint ed ' s ▁Mill , ▁it ▁had ▁ 6 ▁mill s ▁and ▁was ▁constructed ▁by ▁the ▁locally ▁born ▁patron ▁of ▁the ▁ay am ont ino ▁area , ▁Manuel ▁River o ▁( es ) ▁( a . k . a . ▁El ▁P int ado ▁or ▁The ▁P aint ed ). ▁ ▁In ▁the ▁o yst er ▁stone ▁m ason ry , ▁marine ▁lim estone ▁brought ▁by ▁their ▁ships ▁from ▁Cad iz ▁and ▁worked ▁to ▁gr ind ▁whe at ▁for ▁bread ▁that ▁often ▁came ▁from ▁Ob isp ado ▁de ▁Cord oba , ▁after ▁loading ▁in ▁Se ville . ▁April ▁ 3 rd , ▁ 2 0 0 9 , ▁AD N , ▁Cad iz ▁ ▁In ▁October , ▁ 2 0 0 9 ▁was ▁inaugur ated ▁in ▁this ▁building ▁a ▁museum ▁of ▁the ▁mar sh es ▁in ▁which ▁this ▁e cos ystem ▁of ▁wet lands ▁can ▁be ▁interpreted . ▁ ▁Bi ology ▁▁▁▁ ▁Fort un ately ▁this ▁tid al ▁landscape ▁is ▁reason ably ▁preserved . ▁The ▁presence