Artist Max Siedentopf caused outrage with his depiction of people wearing various everyday items as coronavirus masks. Here are five of the artist's provocative works.
Namibian-German artist Siedentopf later apologised for his coronavirus mask series, but has courted controversy before with projects including his installation of binoculars at Tate Modern to allow visitors to see into adjacent flats.
"Most of my work takes a critical and often ironical look at our surroundings," Namibian-German artist Siedentopf told Dezeen following the controversy surrounding his masks.
"It's important for me to take people out of their comfort zone and see things from a different perspective, both positively and negatively. But, ultimately, it's up to them to interpret my work as they want to." Here are five of Siedentopf's works that aim to challenge people's views:

Tools To Secure School Safety And Security, 2018
For this photo series, the artist created weapons from everyday items of stationery and other items commonly found in schools.
According to the artist, the series "tries to illustrate in a lighthearted way how the innocence of fun, home-made weapons has been taken from us".

Funny Money, 2016 
Siedentopf's Funny Money photo series aims to draw attention to the common practice of tourists in Africa paying to take a photo of people. For the series, he gave Namibian people the amount of money they requested and let them pose however they wanted ...