A photo of former Vice President Joe BidenJoe BidenNew York Times editorial board calls for Trump's impeachment Graham invites Giuliani to testify about recent Ukraine trip Booker leads other 2020 Dems in petition urging DNC to change debate qualifications MORE sitting casually on an Amtrak train just hours after announcing his 2020 presidential campaign is making the rounds on social media.

Biden, a known Amtrak traveler, can be seen sitting near aides on a train as they headed to New York, according to tweets shared by BBC North America bureau chief Paul Danahar.

Danahar said the image was taken just hours after Biden's campaign released a video online of the former vice president announcing his White House bid, ending months of speculation. Danahar confirmed to The Hill that Biden was on an Amtrak train.

The tweet has already racked up more than 500 likes in less than hour and garnered reactions from many online.

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Biden, who often takes Amtrak from Wilmington, Del., went viral after he was photographed bumping into Sen. Kamala HarrisKamala Devi HarrisBooker leads other 2020 Dems in petition urging DNC to change debate qualifications Sanders revokes congressional endorsement for Young Turks founder Cenk Uygur The Hill's Campaign Report: 2020 Democrats trading jabs ahead of Los Angeles debate MORE (D-Calif.) on the train back in February.

The former vice president and longtime senator, nicknamed "Amtrak Joe," has used the train to commute from Delaware, where he lives, to Washington for decades.