from here we went on foot, hiking deep into one of the largest forests in the drc.ome back up. and the hills were steep. we walked and walked, with no sign of the gorillas, stumbling and falling into the night. >> not easy to find the trail at night. >> it was hard walk manage the dark. >> yeah. >> reporter: even for you? but that wasn't normal. >> that was not normal. it was really hard. >> reporter: with worn feet and low expectations, we tried again the next day. this time the trackers got lucky and led us right to them. >> and you can watch the full report on our website, cbsnews.com and click on "60 minutes." we'll be right back. ,,,,,,,,,,,,,,,, >>> among the broadway stars receiving tony awards this sunday will be a high school drama teacher from oregon. jamie wax shows why she is being honored for excellence in theater education. >> reporter: affectionately known as crumb, rachel harry has been showing theater students how to find their mark and light a stage for 31 years. what led you to teaching heater in high schools specifically? >> i love teenagers. i l