Performing elephants, chained elephants, ivory, zoos and howdahs all make for very sad images. Here are a selection of photos that we really don't want to have on our memory cards when we return from a holiday to Southeast Asia.
Thailand elephant conservation: a new life for Thai ellies
Volunteering with elephants in Thailand
Elephant conservation volunteering in stunning Namibia
Family volunteering with elephants in Sri Lanka
Volunteer with rescued elephants in an inspiring refuge
Elephant conservation volunteering project for families