Participating artists paid a small fee and provided their own materials.

As is usual when shows are organized this way, the individual artists pay the price.

The artists are paying the estimated $21 million cost of the 16-day installation.

And artists must still pay a 5.5 percent tax on their earnings, that is, at least for now.

Back then a few artists paid attention, but the work barely caused a stir in public.

In the past, artists have usually just paid the fines of up to a few hundred dollars.

But that is the price we artists must pay to bring beauty to a troubled world.

If 2000 artists enter and pay a fee of £20 that is £40,000.

To enter, each artist must pay a $10 entrance fee.

At present, some artists use it as store room, plant flowers on the site and do not pay any rent.