The contestants in this beauty contest need to exhibit the following qualities:

Ears that stand back,
A long nose that droops down
and it goes without saying, long legs

Evening dress is optional, but one of the contestants is photographed wearing a rather revealing tunic.

Where is the contest and who, or what are the beautiful contestants?

Are the bodies curvaceous?

Oh yes, very curvaceous, but that doesn't make up for the disgusting habit the contestants have of spitting at each other.

Well done Clare.
The contestants are camels and the place is Guwei'iyya, Saudi Arabia.

In late April, the Qahtani tribe of western Saudi Arabia, welcomed entrants to its Mazayen al-Ibl competition, a parade of the "most beautiful camels" in the desolate desert region of Guwei'iyya, 120 km (75 miles) west of Riyadh.

I like your link, but I also have this one to National Geographic