If I had only come across one of these, I probably wouldn't have even bothered to post them in the sidebar, but seeing them together somehow changes that.

Johan Lorbeer is a German street performer. He became famous in the past few years because of his "Still-Life" Performances, which took place in the public area. His installations includes "Proletarian Mural" and "Tarzan", which are famous in Germany. Several of these performances feature Lorbeer in an apparently impossible position.

Johan Lorbeer's Still Life Performance and its Secret via monoscope

Chinese artist Li Wei from Beijing started off his performance series 'Mirroring' and later on took off attention with his 'Falls' series which shows the artist with his head and chest embedded into the ground. His work is a mixture of performance art and photography that creates illusions of a sometimes dangerous reality. Li Wei states that these images are not computer montages and works with the help of props such as mirror, metal wires, scaffolding and acrobatics.

The Impossible Art of Li Wei via Buzzfeed