A tsakiyar karni na 13, an cika wadannan dakuna.
Tabbas, wani nau'i mai rikitarwa na jumla shine "Kusan tsakiyar 1200s, an cika waɗannan ɗakunan kuma an sanya sandunan juniper a cikin ƙasa don tallafawa katako da rufi, suna yin babban ɗaki na farfajiyar ƙasa. "