The event depicted in the picture you posted took place in Great Britain 10/6/2012. It was the 5th anniversary of an event honoring their war dead called “Ride to The Wall”.
Good for those Brit patriots!!!
http://www.dailymail.co.uk/news/article-2213814/National-Memorial-Arboretum-Bikers-make-pilgrimage-war-memorial-paying-tribute-dead-servicemen-women.html