But when they arrived in Odessa, in the vast majority of cases, the women were nowhere to be seen.Some of them turned off their phones, others arranged dates but did not arrive.The socials spawn dozens of dates for the coming week, but there is a recurring complaint among the men.
Most of the men are divorced and in their fifties or sixties.
Divorced and disenchanted at 29, Chris has made the journey half way round the world to Ukraine in search of a strange combination of these lost "family values" – and sex.
"A friend came on one of these trips and said it was like Disneyland for anyone with a penis," he says. "We arrive at the nightclub and leave the warm spring sunshine for its dingy interior.
The men take in a panoramic vista of leopard print, stilettos and carefully plumped cleavage.
Some of them immediately begin their chat-up routines; others look nervous.