Zhang’s latest work, A Necessary Cube (2011) expands to fill the entire gallery space before shrinking back.

Zhang's latest work, A Necessary Cube (2011) expands to fill the entire gallery space before shrinking back.

Zhang’s latest work, A Necessary Cube (2011) expands to fill the entire gallery space before shrinking back.Zhang’s latest work, A Necessary Cube (2011) expands to fill the entire gallery space before shrinking back.

Zhang’s latest work, A Necessary Cube (2011) expands to fill the entire gallery space before shrinking back.