America celebrates Thanksgiving Day

President Barack Obama talks to American service men and women during phone calls from the Oval Office on Thanksgiving Day. Photograph: Rex Features/guardian.co.uk

The crew aboard the Space Shuttle Atlantis play with their Thanksgiving Day feast. Photograph: Nasa/guardian.co.uk

Balloons are paraded down 7th avenue during the 83rd Macy's Thanksgiving day parade in New York. Photograph: Brendan Mcdermid/guardian.co.uk

SPC John Dever of Chicago, IL with Blackfoot Company 1st Battalion 501st Parachute Infantry Regiment has a Thanksgiving Day dinner while standing watch in a guard tower in Matakhan, Afghanistan. Photograph: Scott Olson/guardian.co.uk

A Shrek balloon makes its way across 42nd street during the Macy's Thanksgiving Day Parade in New York. Photograph: Shannon Stapleton/guardian.co.uk

A Spiderman balloon makes its way across 42nd street during the Macy's Thanksgiving Day Parade in New York. Photograph: Shannon Stapleton/Reuters

The Buzz Lightyear balloon passes the corner of 42nd Street and Sixth Avenue during the Macy's Thanksgiving Day Parade in New York. Photograph: Julie Jacobson/guardian.co.uk

The Kermit the Frog balloon passes the corner of 42nd Street and Sixth Avenue during the Macy's Thanksgiving Day Parade in New York. Photograph: Julie Jacobson/AP

A marching band passes through Times Square during The 83rd Macy's Thanksgiving day parade in New York. Photograph: Brendan Mcdermid/guardian.co.uk

Crowds gather to watch the Horton the Elephant balloon during the 83rd annual Macy's Thanksgiving Day parade in New York City. Photograph: Michael Loccisano/guardian.co.uk

People watch the Abby Cadabby ballon during the Macy's 83th Annual Thanksgiving Day Parade in New York. Photograph: Peter Foley/EPA

People watch the annual Macy's Thanksgiving Day Parade in New York. Photograph: Shannon Stapleton/guardian.co.uk

A Dora the Explorer balloon makes its way across 42nd street during the annual Macy's Thanksgiving Day Parade in New York. Photograph: Shannon Stapleton/guardian.co.uk

A parade spectator watches the Macy's 83th Annual Thanksgiving Day Parade in New York. Photograph: Peter Foley/guardian.co.uk

Balloons make their way down Seventh Avenue during the 83rd Macy's Thanksgiving Day parade in New York. Photograph: Brendan Mcdermid/guardian.co.uk

A dancing team passes through Times Square during the 83rd Macy's Thanksgiving day parade in New York . Photograph: Brendan Mcdermid/guardian.co.uk

A Ronald McDonald balloon passes through Times Square during the 83rd Macy's Thanksgiving day parade in New York. Photograph: Brendan Mcdermid/guardian.co.uk

A Mickey Mouse balloon makes its way down Seventh Avenue during the 83rd Macy's Thanksgiving day parade in New York. Photograph: Brendan Mcdermid/guardian.co.uk

The Buzz Lightyear balloon hovers in between Manhattan high rise buildings during the 83rd annual Macy's Thanksgiving Day parade in New York City. Photograph: Michael Loccisano/guardian.co.uk