makinology:

mysterious crochet doily found under bridge in bristol … england … 

“To some it’s a giant nylon spider’s web, to others it’s a 12ft doily. Whatever the bizarre art statement is, bemused motorists have no idea how the rogue knitting project turned up beneath an underpass in Bristol.  The huge spider web under Stapleton Road railway bridge in Bristol is believed to be the work of ‘yarn bombers’ or ‘guerrilla knitters’ - street artists who make decorations by knitting or crocheting wool, or turning yarn into pom-poms.”

~…(via ‘Yarn bombers’ hit Bristol as bizarre 12ft knitted spider’s web appears beneath underpass - Yahoo! News UK)