"This day, until the day I die, will always be Hoods Up Day for me, " Tracy Martin said.

WSJ: Trayvon Martin family attends NY anniversary vigil

Leicestershire Police are trying to trace two men seen leaving the scene, with their hoods up, in a dark car that was parked in the street.

BBC: Hayley Pointon

Police are looking for a group of male youths seen running from the court in Elephant and Castle, some with scarves covering their faces and hoods up.

BBC: Man stabbed at Inner London Crown Court

At the vigil, the crowd members were told "Hoods up!"

WSJ: Trayvon Martin family attends NY anniversary vigil

Hoods and umbrellas went up, coats and ponchos went on, quickly followed by shouts of "brolleys down" from those behind.

CNN: Eyes of world on spectacular Thames royal pageant

And one by one, at least for the first few looks, the models sported fur boxing gloves and tops with hoods like a glammed up Rocky.

FORBES: NYFW Fall '13 Day 3: Lacoste, Prabal Gurung, Alexander Wang, Chloe Sevigny for Opening Ceremony

Now to roll up the sleeves and turn on the venting hoods.

FORBES: Breaking a Sweat

The bleak surroundings don't dampen spirits: Some 2, 000 people have shown up, many in cars rigged with speakers on the hoods to pump out Gypsy pop at full blast.

NPR: Gypsies Flock To Bridal Fair As Parents Negotiate