Actors Martin Sheen and his son Emilio Estevez relive their experience filming a movie about walking the Camino de Santiago in Spain, and describe how a pilgrimage hike with strangers can be an effective antidote to years of pandemic isolation. Plus ecologist and filmmaker Chris Morgan tells us about recent successes in reintroducing certain wildlife species to wilderness areas in Europe. For more information on Travel with Rick Steves - including episode descriptions, program archives and related details - visit www.ricksteves.com.