Even in the waning days of his presidency and thousands of miles from home, U.S. President Joe Biden is finding ways to celebrate trains. Biden used the third and final day of his visit to Angola on Wednesday to showcase the Lobito Corridor railway,

Biden is using his third and final day in Angola to showcase the Lobito Corridor railway, where the US and key allies are investing heavily to refurbish 800 miles of train lines in Zambia, Congo, and Angola.

Speaking of “our nation’s original sin,” President Joe Biden on Tuesday toured a slavery museum in Angola and inspected shackles and a whip but also addressed Africa’s future.