this was brokered by the u.s., eygpt, israel and of course hamas. this was implemented by the red cross saying this was complex and pressure to get it just right. listen. >> sometimes it looks like it's just driving people from one place to another, but it's about and agreeing on when, how, what and all this needs to be coordinated with different movement outside gaza. >> so the hostages from gaza were first taken through eygpt and driven back to israel where they were taken to various hospitals by helicopter and one place where the helicopter landed in tel aviv, the hostages were offloaded into ambulances, and as those ambulances went by, people were cheering and clapping and one piece of evidence just how emotional this handoff is and the days are on both sides of the conflict and of course for the hostages themselves and their families they're being reunited are with, as well. >>> scott mclain in istanbul, thanks so much. >>> what lies ahead for the newly freed hostages, let's talk about that and we're joined from tel aviv with an expert in traum