Ai Weiwei's Tate Modern exhibition, which had originally been wide open to the public was fenced off and guarded to protect us all from the harmful dust which had gathered all over it.
"Sunflower Seeds is made up of millions of small works, each apparently identical, but actually unique. However realistic they may seem, these life-sized sunflower seed husks are in fact intricately hand-crafted in porcelain."