TOPSHOT - A woman takes part in celebrations after Valongo Wharf was added to the list of UNESCO World Heritage sites, in Rio de Janeiro, Brazil on July 10, 2017. 
The committee of the UN cultural body, meeting in Krakow, Poland, said Valongo was a reminder of an estimated 900,000 African slaves who were brought there by traders starting in 1811. / AFP PHOTO / Mauro PIMENTEL        (Photo credit should read MAURO PIMENTEL/AFP/Getty Images)