A worker carries a sign for the Louisiana delegation amid preparations for the arrival of visitors and delegates for the Republican National Convention on July 15 in Cleveland, Ohio.
In political battleground states across the country, a sense of anger and anxiety is inflicting voters as the Republican and Democratic conventions formally kick off the 2016 general election.
Law enforcement and traffic police stand at a closed street as preparations are made for the Republican National Convention, on July 16 in Cleveland, Ohio.
Downtown Cleveland is beginning to undergo a transformation three days before the convention.
Workers install balloons in preparation for the Republican National Convention at Quicken Loans Arena, on July 15.
The RNC is the first of the national conventions for the country's two major political parties. The Democratic National Convention will be held the following week in Philadelphia.
Barricades are seen outside the Quicken Loans Arena as setup continues in advance of the convention
Martin Prince, from Amherst, Ohio, cleans the stairs as preparations are made for the convention.
Army National Guard soldiers guard a communications facility, before the Republican National Convention.
U.S. Secret Service officials say security planning for the Republican and Democratic national conventions took into account large-scale terrorism threats like the vehicle attack that occurred in France.
A photographer takes photos of nets filled with thousands of red, white and blue balloons before they are lifted into the ceiling of the Quicken Loans Arena .
Adam West prepares to move a ladder from in front of the stage screen that displays an American flag for the convention.