(Brad Horn/The Washington Post)
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Artist Cai Guo-Qiang ‘explodes’ tree on the National Mall

November 30, 2012 | 11:27 PM GMT
If you’re picturing millions of toothpicks raining down on Constitution Avenue, think again. Contemporary artist Cai Guo-Qiang’s “Explosion Event” was more conceptual than that. His pyrotechnic pine tree required a unique blend of gunpowder and imagination.