Moscow’s annual “Millionaires’ fair” has become an institution of sorts – a celebration of ostentatious consumption for its own sake, as well as a convenient one-stop shop for helicopters, private tropical islands, Swiss watches, motor yachts and designer statues among other must-haves.

For three days every year, all the trappings of the leisure class that a busy oligarch needs are to be found in one tidy pavilion just outside Moscow’s ring road.