When entering yesterday in the first room of the exhibition “The edge of the worlds” in the Tokyo Palace, a couple of visitors are talking in front of the sign, which explains that all these rocks are being balanced on a grey carpet “— I am Saudi to read everything. — come, we look at it better. This conversation takes place in front of Bridget Polk’s Balancing Rocks, and it summarises quite well one of the debates around contemporary art: the current work would be that...