Fireworks, prayers as revelers around the world welcome 2018

From spectacular fireworks in Hong Kong and Australia to a huge LED lightshow at the world's tallest building in Dubai, a look at how revelers around the world are ringing in 2018:WATCH: London rings in the New Year:___GERMANYGermans rang in 2018 under tight security from police mindful of widespread sexual abuse of women in Cologne two years ago and of a terrorist attack on a Christmas market about a year ago.Police in Berlin added 1,600 officers on duty and said that large bags and knapsacks w