A police officer in New York stands guard at the Times Square station after the city heightened security Monday following the Moscow subway attacks.

在周一莫斯科地铁袭击案后，纽约市加强了安全措施，一名警察守卫在时代广场站。

youdao

Last week, a tourist photo of a New York City police officer giving shoes to a barefoot man went viral.

FORBES: Change Your Life in 2013 By Shifting Judgment to Curiosity

Richard Pastorella, a retired New York City police officer, agrees with them.

CENTERFORSECURITYPOLICY: Is President Clinton Serious About Fighting Terrorism?

Emilio Malave, 49, a retired New York City police officer, drove to Lower Manhattan from the Bronx with a bouquet of white flowers in hand.

WSJ: Celebratory Crowds Swirl Around Ground Zero