Red chairs fill a main street in Sarajevo on Friday as the city marks the 20th anniversary of the start of the Bosnian war. Officials lined up 11,541 chairs in 825 rows to represent the 11,541 Sarajevans who were killed during the siege.
Bill Gates addresses an energy innovation summit in Maryland in February. The Microsoft chairman told NPR in an interview for Weekend Edition that teachers should be evaluated, but that the reviews should not be made public.
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Guerrilla grafter Tara Hui grafts a fruiting pear branch onto an ornamental fruit tree in the San Francisco Bay Area. She doesn't want the location known because the grafting is illegal.
Lonny Shavelson for NPR