Marina Abramovic and Ulay started an intense love story in the 70s. When they felt the relationship was ending, they walked the Great Wall of China, each from one end, meeting for one last big hug in the middle and never seeing each other again.
At her 2010 MoMa show Marina shared a minute of silence with each stranger who sat in front of her. Ulay arrived without her knowing and this is what happened.
Bring out the Kleenex and get ready to crumble.