![](http://www.alamy.com/thumbs/6/6949E679-8505-4AB2-A6F5-AF05D1F2688D/B3T7D9.jpg)
A thistle grows from an old blocked drain of a glasshouse roof.
Size: 5108px × 3396px
Photo credit: © M.Brodie / Alamy / Afripics
License: Royalty Free
Model Released: No
Keywords: block, blockage, blocked, clog, clogged, drain, drainage, flow, foliage, glasshouse, gutter, join, leaves, pipe, pipes, plant, rain, roof, thistle, water, weed