this is d. davina is africa coming up on the program. what's in a name in berlin? activists from the african diaspora. celebrate a milestone in revealing the 2 legacy of german colonialism. will speak to a man who's been working towards this day for decades. the fight against the h i. v. pandemic takes another significant step forward. activists, a recent medical advances are game changes. we'll look at these measures of the efforts to promote their uptake and the dows a back after a 3 year absence. we have a taster as the historic sailboats. finally, we joined the annual race in kenya with i'm so me your logic. well, it's good to have you with us. let's begin right here in berlin, where activists have been querying the german capitals colonial past. this country was part of the early european rush, formalized by the berlin conference in 1884, to build empires. and in africa, germany colonized territory and modern day togo, cameroon, rwanda barone de tanza, nia and namibia. it lost them all following the 1st world war. but that was after it had carried out mass atr