Ai Weiwei’s 2010 installation, He Xie, is similar to his Sunflower Seeds from the same year. Crowded together in a single large pile, porcelain river crabs are scattered across an art gallery floor.

Ai Weiwei is the most famous Chinese artist working today. His work, some of which is on an epic scale, often highlights issues of human rights and freedom of speech. The installation 'He Xie ...