A scene from Vero Beach, Indian River County, Florida.
With 29 electoral votes, Florida is the biggest prize of the battleground states.
The line between victory and defeat in the Sunshine State is often very thin.
In 2012 Obama won Florida over Romney by just over 0.9%, and there are currently about 4.4 million registered Republicans and nearly 4.6 million Democrats.
Donald Trump won over Hillary Clinton by just over 1,2%.