As IDAHO day is marked by activities in schools, the IDAHO Committee and UNESCO have co-developed a lesson plan which includes four classroom activities for different age groups (primary and secondary level) to address issues of discrimination and homophobic bullying.

UNESCO: WORLDWIDE

Russel Tarr, who runs Active History from France, where he works as a teacher said the lesson plan was a revision tool for the end of a six-week course on the rise of Hitler, during which the 15- and 16-year-old pupils would have written a 1, 000-word essay on the topic.

BBC: Gove criticises 'Mr Men' history teaching

John Muir said one lesson from the ordeal -- even with the happy ending -- is that hikers should plan first and plan for the worst.

CNN: See daring rescue of hiker