PICTURES

Sunday marked the 15th anniversary of the attacks which killed 2,996 people and injured more than 6,000.

The al-Qaeda assault, where 2,996 people died, remains the worst on US soil since Pearl Harbour in 1941.

The ceremony saw groups of dancers dressed in geometric-style patterns, creating spectacular displays.

IBTimesUK presents the winning photographs from all 15 categories.

Efforts are being made to strengthen crowd management following last years stampede, where over 2,000 people died.

Around 3.7 million people make the Hajj pilgrimage each year.

Tickets for the Tale Of The Kraken cruise - only the second of its kind - and heading to Barcelona, Ibiza and Sete are available to buy now.

The violence highlights the precariousness of security in the capital just a month before a conference in Brussels where the Afghan government can set out its vision on reform.

At least one million people join in the Labor Day weekend celebration

Tensions among locals have increased after the population of the camp rose to at least 7,000 people.

Around 70,000 people attend the week-long rave in the Nevada desert each year.

Each photographer has captured a wide range of issues from climate change to sexual assault within the American Military.

Cannabis booths demolished two days after a shooting incident rocked one of Denmark's favourite tourist attractions.

A look back at the life and career of a man seen by many as a brutal dictator who used torture to stay in power.

Thousands filled the streets of Caracas in the biggest show of force the country has seen in years.

Compagnie Carabosse has built various flaming artworks in conjunction with the London's Burning Festival.

Burning Man is not for the faint of heart – as the website says: 'The Black Rock Desert is trying its best to kill you'.

Inside - Artists and Writers in Reading Prison see artists respond to the works of its most infamous inmate.

A second day of violent protests against the re-election of President Ali Bongo has engulfed the capital, Libreville.

The underwater performance piece will shown in conjunction with the London's Burning Festival.

Visitors may be surprised to discover the riches Iran has to offer, including ancient ruins, pristine beaches and popular ski resorts.

Bread and drinkable water are in short supply in the once-thriving town.

The decision to oust Rousseff has become a key chapter in Brazil's political struggle.

70% of residents voted 'out', which ultimately helped Britain secure the result in favour of quitting the EU.

The Normandy Tank Museum is closing down and selling off its entire collection at auction.

Cameras flashed as David Taylor and Sara Connor were posed in a series of violent – yet static – scenes on Kuta Beach.

The festival gives a unique perspective on the 1666 fire that swept through the capital for four days.

Disappearing fish, a hungry hornbill and an inquisitive fox are among the highly-anticipated images.

Carnival is one long party, a joyous celebration both of Caribbean culture and of London's extraordinary diversity.