There was a sea of faces on every scenic spot in China during Spring Festival.

春节期间，中国的每一个景点都是人山人海。

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Believe it or not, a sea of faces.

信不信由你——人山人海。

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I tried to be invisible within a sea of faces.

我尽力让自己在人海里显得毫不起眼。

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As the elected District Attorney for the Delta County where Till was killed, Chiles faces questions from her fellow prosecutors at their state meeting, where she's the only black woman in a sea of white faces.

NPR: Mississippi Officials Weigh New Emmett Till Probe

Now, Mali has no no access to the sea, is heavily dependent on foreign aid and faces a future of uncertainty.

CNN: Grave conditions reported as rebels capture northern Mali

The company faces a tidal wave of litigation and an epidemic of stories about oil-drenched sea birds and devastated wetlands.

ECONOMIST: Schumpeter