
'Ai Weiwei: According to What?' —
Ai Weiwei poses in 2009 at the Mori Art Museum inTokyo with his work "Provisional Landscape" (2002-2008). It's now on display at the Hirshhorn Museum in Washington.

'Ai Weiwei: According to What?' —
"Forever" (2003).

'Ai Weiwei: According to What?' —
"Dropping a Han Dynasty Urn" (1995/2009), top, is a photographic triptych that confronts the power of ancient symbols, according to the museum, while "Colored Vases" (2007-2010) seeks to replace those symbols with new works.

'Ai Weiwei: According to What?' —
"Cube Light" (2008) is nearly 14 feet on each side and takes up an entire gallery.

'Ai Weiwei: According to What?' —
"Beijing's 2008 Olympic Stadium" (2005-08) shows photos of the stadium while under construction. The sculptures in the foreground are "Divina Proportione" (2006) and "F-Size" (2011).

'Ai Weiwei: According to What?' —
"Map of China" (2008).

'Ai Weiwei: According to What?' —
"He Xie" (detail, 2010) includes more than 3,000 porcelain river crabs. The Chinese word for "river crab" is a homophone for the word for "harmonious" as used in the Communist slogan. "He Xie" is slang for online censorship, according to the museum.

'Ai Weiwei: According to What?' —
"Snake Ceiling" (2009) uses hundreds of backpacks to represent children's backpacks left behind after the 2008 Sichuan earthquake.

'Ai Weiwei: According to What?' —
"Grapes" (2010), left, transforms Qing Dynasty-era stools into a new vision. In the background are "New York Photographs" (1983-1993), which documents Ai's years in the downtown scene, and "Tea House" (2009).

'Ai Weiwei: According to What?' —
"Straight" (2008-12) is made up of 38 tons of steel rebar collected from buildings that collapsed in the Sichuan earthquake.

'Ai Weiwei: According to What?' —
"Coca-Cola Vase" (2007), left, is a product of a new aesthetic, meant to replace older or outdated works, according to the museum. "Moon Chest" (2008) is at right.

'Ai Weiwei: According to What?' —
"New York Photographs" (1983-93), left; "Beijing's 2008 Olympic Stadium" (2005-08), center; "Kippe" (2006), right.