The ancient Roman Colosseum will be the venue of gladiator fights — albeit staged — for the first time in two millennia under a $1.5 million sponsorship deal with Airbnb that aims to promote “a more conscious tourism.”

Plans to offer Airbnb customers the change to take part in gladiator-style battles in Rome’s Colosseum have been decried as an insult to the UNESCO-listed ancient arena.

Airbnb is courting controversy through a deal announced earlier this week which will allow up to 16 lucky customers to travel to the Roman Colosseum and play gladiator. The property rental site is hoping to encourage “a more conscious tourism” through the $1.