A &amp;#8220;knitted&amp;#8221; bicycle sits in downtown Saarbruecken, Germany, on July 24.  Guerilla knitting, also known as &amp;#8220;knit graffiti&amp;#8221; and &amp;#8220;yarnbombing&amp;#8221;  involves knitting around everyday objects like trees, pillars and  statues.
The week in photos