The new solar structure consists of n-type nanocones made of zinc oxide surrounded by a p-type semiconductor matrix made of polycrystalline cadmium telluride.

FORBES: Nanocone-Tips Take Solar Cell Efficiency to Next Level

But according to officials there the most serious problem is the building, an 1897 Beaux Arts structure on Seventeenth Street N.

WSJ: Corcoran Gallery of Art | Another Museum Mulls Pulling Up Stakes | By Eric Gibson

But they perform together on a makeshift stage inside a brick structure with a roof made out of discarded U.N. bags.

NPR: Circus Brings Joy, Focus to Afghan Children

But the U.N. and Hun Sen disagree on the composition and structure of the tribunal.

CNN: Seeking Justice