In Bangkok, police-flanked partygoers rang in the new year at the site of a deadly bombing that took place just months ago. In Paris, residents recovering from their city's own deadly attacks had scaled-back celebrations. And in Belgium's capital, authorities anxious after thwarting what they say was a holiday terror plot have canceled festivities altogether.
As the final hours of 2015 drew to a close, many bid a weary and wary adieu to a year marred by attacks that left nations reeling and nerves rattled. Still, most places are forging ahead with their celebrations as many refuse to let jitters ruin the joy of the holiday. (AP)
Here's a look.