Stunning pictures show pilots' coloured air trails in the first round of the Red Bull air race.
They show incredible aerial manoeuvres of contestants circling each others' planes close to towering skyscrapers in Abu Dhabi, UAE.
US pilot Michael Goulian is currently race leader after racking up 15 points ahead of the second round in Cannes, France, on April 21 and 22.
His race-topping time of 53.695 seconds ended a string of nine winless Red Bull racing seasons behind him.
