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[FR: A l’ombre de la Sainte-Baume] (5796 views)
created Tuesday 18 November 2014
revised Saturday 11 February 2017
[FR: Comment calculer la hauteur du Soleil à l’instant t ? Voyage en terre de lumière inconnue . . . ] (15324 views)
created Wednesday 13 November 2013
revised Friday 10 February 2017