row of terraced houses pull out and tilt dowmcardiff to knotweeds growing thru pavement; s knotweed on pavement;aberdore 03.40 gv's derelict factory... - polygonum root stock videos & royalty-free footage17:37JAPANESE KNOTWEED TAKING OVER: 06
egham:intaphalara itadori insects on leafextjapanes knowtweed plantsintdoctor dick shaw interview sotclose shots of japanese knotweed plants growing... - polygonum root stock videos & royalty-free footage01:44Insects imported to tackle Japanese Knotweed problem; Insects imported to tackle Japanese Knotweed problem