Probably gang of rowdy Uni-students celebrating post-exams.

I doubt if any are gay - but when they're pissed it won't matter anyway. 

Sultry, booted beauty chilling out.

Who's for tossing him out of that wheel barrow? - or just plain tossing him?

Getting that shithole nice and wet......

.......so he can slide in with minimum trouble. Good idea to anchor him by gripping his cock. I know from experience that the heightened pleasure of being licked there can make one writhe around with the pleasure of it.

Boots off, then jeans........

.....(looks like he's gone 'commando') then he'll be as naked intended, and how we wanna see him.

Indian tea-bagging.

Stimulating the contents of those bags so it comes out hot'n sweet.

Dusky friend, nude among the dunes.

Wanna play? I'm game!

Naked swimmers.

Their casual attitude suggests they do this regularly, though can't help noting that blondie (near centre) seems to be 'rising to the occasion'.