While traveling in Botswana I met a bunch of Peace Corps volunteers (pronounced 'peace corpse' by locals there). One Volunteer couple worked in a small village that had a compound of sorts for mentally and physically disabled people. They had a traditional school and trade school where students of all ages could learn things like farming and pottery making. I spent an afternoon being taught by these students. I've worked with and volunteered with a lot of organizations and these individuals had some of the warmest hearts I've been lucky enough to be touched by.