we saw how gorongosa is protecting its lions on a mission with park veterinarian antonio palo.er dart. >> right on target. >> and a 300-pound lioness led us on a chase. >> give space. she left us behind, but she couldn't outrun the sedative. >> there she is. >> she's there sleeping. >> she'd be out for about an hour as dr. paulo changed her failing gps collar. the signal goes to headquarters where they track the prides and herds. a bit of ear was nicked for genetic test and then there was a surprise. >> you think she's pregnant? >> yeah. she looks like pregnant. >> and there is the future of the park. >> yes. the future cubs of the park. >> later, she awoke and headed out with her future cub. >> i never imagined it would go so well or so fast. in 2018 we did an aerial survey. so counting only the big animals we counted 100,000 large animals from the air. >> thrilled as he is, it wasn't wildlife that drew this 63-year-old idaho native to africa. in 2008 he introduced us to the 200,000 people living around the park. survivors of the wars living on a dollar a day. >> people had no