Barack Obama and Mitt Romney on the road: spot the difference - in pictures

Obama (left) waves as he arrives at the convention centre in Cartagena, Colombia, for the VI Americas Summit and Romney waves as he arrives in Portsmouth, New Hampshire Photograph: AFP/Getty Images

Obama (left) greets supporters during a campaign stop at the Charlottesville Telos Wireless pavilion, Virginia, and Romney greets supporters during a campaign rally at the Nascar Technical Institute in Mooresville, North Carolina Photograph: AFP/Getty Images

Obama and his wife, Michelle, (left) embrace on stage during his election night victory rally, and Romney kisses his wife, Ann, after the first Republican presidential candidates' debate in Manchester, New Hampshire Photograph: -/AFP/Getty Images

Obama (left) speaks in Decorah, Iowa, and Romney addresses a victory rally at the Long Family orchard farm and dider mill in Commerce, Michigan Photograph: AFP/Getty Images

Obama and his daughters, Malia and Sasha, (left) watch TV in the treaty room of the White House, and Romney and his grandchildren watch the Republican national convention on TV in their hotel room in Tampa, Florida Photograph: -/AFP/Getty Images

Obama (left) chats to a child at the Countryside barbecue restaurant in Marion, North Carolina, and Romney talks to a child during a campaign stop at Tom's Ice Cream Bowl in Zanesville, Ohio Photograph: AFP/Getty Images

Romney (left) boards his campaign plane at Tampa International airport in Florida, and Obama walks to Air Force One at Andrews air force base Photograph: AFP/Getty Images

Secret Service agents (left) guard a vehicle carrying Romney in Indianapolis, Indiana, and agents await the arrival of Obama at Detroit Metro Wayne County airport Photograph: AFP/Getty Images

Obama (left) holds a baby during a campaign event at Rollins College in Orlando, Florida, and Romney lifts up a baby during a campaign rally at Flagler College in St Augustine, Florida Photograph: AFP/Getty Images

Supporters (left) hold a sign as they wait for Obama to arrive at a campaign rally in Milwaukee, Wisconsin, and a Romney supporter holds a sign during a campaign rally at Saw Mill restaurant in Greenville, South Carolina Photograph: AFP/Getty Images

Supporters (left) cheer Obama after he accepts the Democratic national convention's nomination to run for a second term as president at the Time Warner Cable arena in Charlotte, North Carolina, and Romney and vice-presidential nominee, Paul Ryan, welcome their families onstage after Romney's acceptance speech at the Tampa Bay Times forum in Florida on the final day of the Republican national convention Photograph: Stan Honda/AFP/Getty Images

Romney (left) greets supporters after speaking at a campaign event at the Cox pavilion in Las Vegas, Nevada, and Obama greets supporters during a campaign stop in Las Vegas, Nevada Photograph: -/AFP/Getty Images