Day 4: Republican National Convention

Fireworks explode over Victoria Harbour and Hong Kong Convention and Exhibition Centre during a pyrotechnic show to celebrate the New Year in Hong Kong, China.

South Carolina delegates have written their names on the placard marking their section on the floor at the Republican National Convention, in Cleveland, July 21, 2016.

A convention worker stands behind the new podium put in place Thursday morning for the prime-time speakers, which will include Donald Trump, as he accepts the Republican Party's presidential nomination, in Cleveland, July 21, 2016.

Concessions staff hand out cheese and grapes to those working on the floor of the Republican National Convention as workers prepare for Thursday night's prime-time schedule, which will include Donald Trump's acceptance speech, in Cleveland, July, 21, 2016

Reporters stand on the arena floor for interviews on the morning of the final day of the Republican National Convention, in Cleveland, July 21, 2016.

Journalists wait for Republican presidential candidate Donald Trump and his daughter Ivanka Trump to take the stage at the Republican National Convention to perform a soundcheck for their speeches, in Cleveland, July 21, 2016.

Republican presidential nominee Donald Trump waves to the media as he prepares to do a soundcheck from the stage, where a new podium was put in place early Thursday, at the Republican National Convention, in Cleveland, July 21, 2016.

Donald Trump, left of podium, and Ivanka Trump, his daughter, arrive at the Quicken Loans Arena for a soundcheck on the fourth day of the Republican National Convention, in Cleveland, July 21, 2016.