Prince William and Prince Harry Hold Up Signs to Launch New Wildlife Campaign

Prince William and Prince Harry

Courtesy United for Wildlife

updated 06/07/2014 AT 3:00 PM ET

originally published 06/07/2014 AT 4:30 PM ET

He might have only sent out his first Tweet last month, but Prince Harry has adopted the social media trend of holding up a sign to send a message.

The royal was supporting his big brother, Prince William, as they held up placards to start the countdown to a new campaign to save wildlife.

William and ex-soccer star David Beckham are set to unite in London on Monday to kick off a crusade that uses the power of sport to raise awareness of conservation issues.

On Friday, the princes signaled the launch of the #WhoseSideAreYouOn campaign by holding up the signs that simply show the date and are signed by each prince.

It is part of William’s cause, United for Wildlife, which he launched in September.

The organization is a collaboration among seven of the world s foremost conservation organizations and the Royal Foundation of the Duke and Duchess of Cambridge and Prince Harry. Aiming to engage and inspire young people at what the charities believe is a critical time, this latest campaign enlists the help of high-profile sports stars like Beckham and tennis star Andy Murray.


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