On 13th March 2018, Réhahn went to Paris to receive the trophy awarded by the information website « lepetitjournal.com ». Every year, this award distinguishes the action and projects carried out by French expatriates abroad. Réhahn was chosen by the public amongst 300 participants for his project « Precious Heritage » which aims at promoting, sharing and preserving culture, art and the lifestyle of 54 ethnic group in Vietnam.
The trophy was awarded to him in the luxurious surroundings of the Ministry for Foreign Affairs on the Quai d’Orsay in Paris. Amongst the 300 dignitaries taking part in the ceremony was M. Nguyen Thiep, the ambassador of Vietnam in France.