People watch New Year's fireworks at Barra beach in Salvador, Brazil.
A child holds up a sparkler during New Year's celebrations in Moscow's Red Square.
Sailors count down to the New Year in the hangar bay of aircraft carrier USS Carl Vinson in the Arabian Gulf.
Fireworks illuminate the sky above Munich, Germany, after the arrival of 2015.
Revelers celebrate ahead of New Year's Eve in New York's Times Square.
Fireworks light up the London skyline behind Big Ben just after midnight at the start of 2015.
Fireworks explode over an Amsterdam canal during New Year's celebrations.
A man holds a heart-shaped hot-air balloon during New Year's celebrations in downtown Beirut.
Fireworks explode behind the Quadriga statue on top of Berlin's Brandenburg Gate shortly after midnight as 2015 begins.
Fireworks explode over Moscow's Red Square to welcome 2015. The projection of Spassky (Saviour) tower is seen over the scaffold covering the tower, which is underr renovation.
Fireworks light up the sky outside the Philippine Arena in Bocaue town, north of Manila, Philippines.
Hundreds of people rush to the water as they participate in the 30th traditional Saint Silvester's Bath to say goodbye to the year in Tarragona, Catalonia, northeastern Spain, on Dec. 31.
Pope Francis holds a monstrance as he celebrates a New Year's Eve vespers Mass in St. Peter's Basilica at the Vatican. The traditional Mass on Dec. 31 contains the thanksgiving hymn ''Te Deum' for the ending year and is the last public appearance of the pope in 2014.
Fireworks explode near Malaysia's landmark Petronas Towers during the New Year celebrations in Kuala Lumpur.
A woman prays during New Year celebrations at Jogye Buddhist temple in Seoul, South Korea, on Jan. 1, 2015.
Fireworks light up the Sydney Harbour Bridge during the annual fireworks display to usher in 2015. More than 10,000 aerial fireworks, 25,000 shooting comets and 100,000 pyrotechnic effects were used during the annual Sydney Harbour New Year's Eve show, with an estimated 1.6 million people watching from along the harbor foreshore, local media reported.
Fireworks explode over Victoria Harbor in Hong Kong on Jan. 1, 2015. Just like previous years, the city's iconic skyline along Victoria Harbor lit up with an eight-minute pyrotechnic display, as tens of thousdands of partygoers flock to the waterfront to celebrate.
Schoolchildren perform "We Are the Happiest in the World" in celebration of the New Year at the Central Youth Hall in Pyongyang, North Korea on Dec. 31, in this photo released by North Korea's Korean Central News Agency.
People pray during ceremonies bidding farewell to 2014, ahead of New Year's Day at the Meiji Shrine in Tokyo.
People cheer during a New Year's Eve countdown event in front of Beijing's National Stadium, known as the Bird's Nest. Beijing is bidding to host the 2022 Winter Olympic Games, with a decision on the winning city to be made in July 2015.