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Max Pearson presents a collection of this week\\u2019s Witness History episodes from the BBC World Service.

We hear about Osmondmania! The moment in 1973 when teenage fans of American heartthrobs, The Osmonds, caused a balcony at Heathrow to collapse.

Also, we find out about the first peace walk in Cambodia and how it united a country torn apart by war.

Plus, the birth of Lagos Fashion Week and how it put Nigerian design on the global map.

Contributors:\\nDonny Osmond.\\nJosephine McDermott, BBC producer and presenter.\\nYeshua Moser-Puangsuwan, organiser of Cambodia\\u2019s first peace walk.\\nParul Akhter, a sewing machinist who survived the Rana Plaza building collapse.\\nOscar Maynez, a forensic scientist who used to work in the Mexican border town of Ciudad Juarez where hundreds of young women were kidnapped or killed.\\nPaula Flores, the mother of one of the murdered girls.\\nOmoyemi Akerele who organised the first Lagos Fashion Week.

(Photo: Donny Osmond greets fans at Heathrow airport. Credit: George Stroud/Express/Hulton Archive via Getty Images)