Réhahn is one of the most featured photographers of the last 4 years, having amassed a serious following. He collaborates with National Geographic, BBC, Travel Live... on a regular basis for the purchase of his photographs. Numerous articles have also been published in the international media such as the BBC, Los Angeles Times, National Geographic, Business Insider, The Independent, Foto Digital, Travel Live, Conde Nast Traveler, Elle, Paris Match, Marie-Claire, Esquire, Geo, Forbes… totalling more than 500 articles and interviews during the last 4 years alone ( including at least 50 television appearances on Vietnamese national channels).
January 2014: He publishes his first book, «Vietnam, Mosaic of Contrasts», collection of 150 photographs depicting the country’s diversity. Best-seller in Vietnam, the book is sold in 29 countries.
October 2014: Réhahn captures the photo «Best Friends» where Kim Luan, a 6 years old M’nong girl, is praying to an elephant. Thanks to the press agency Caters in New York, it was published in more than 25 countries, and made the cover of several prestigious magazines such as Condé Nast Traveler, The Times and National Geographic, to name a few.
November 2015: The second volume of «Vietnam, Mosaic of Contrasts, Volume II» met with great success with more than 500 copies being sold in the first month.
June 2016: The French travel TV program “Échappées Belles” (France 5), follows him and reveals his work to the French.