Maurizio Cattelan – Acetylene Eyes

[↑] Maurizio Cattelan & Pierpaolo Ferrari – Untitled for Toilet Paper Magazine (2012); [↓] Source unknown – Title unknown (2013)

Juxtaposition as commentary

[↑] Maurizio Cattelan & Pierpaolo Ferrari – Untitled from Toilet Paper (2011); [↓] Ren Hang – Untitled (2015)

Juxtaposition as commentary.