TO GO WITH AFP STORY BY JORDANE BERTRAND Jean-Pierre Caule, 76, member of the Historical Society of Arcachon and Pays de Buch, shows postcards of the military camp of Courneau on June 16, 2016 in his home in Teste-de-Buch. The Senegalese Tirailleurs were a corps of colonial infantry in the French Army recruited from Senegal. In April 1916, French military authorities had set a camp in Teste-de-Buch to acclimate colonial troops to European weather. Nearly 70.000 tirailleurs between April 1916 and September 1917 will pass through the 400 huts of the camp. / AFP PHOTO / GEORGES GOBETGEORGES GOBET/AFP/Getty Images

TO GO WITH AFP STORY BY JORDANE BERTRAND A photo taken on June 16, 2016 shows graves of "Tirailleurs senegalais" (Senegalese Tirailleurs) at the cimetery of Teste-de-Buch. The Senegalese Tirailleurs were a corps of colonial infantry in the French Army recruited from Senegal. In April 1916, French military authorities had set a camp in Teste-de-Buch to acclimate colonial troops to European weather. Nearly 70.000 tirailleurs between April 1916 and September 1917 will pass through the 400 huts of the camp. / AFP PHOTO / GEORGES GOBETGEORGES GOBET/AFP/Getty Images

TO GO WITH AFP STORY BY JORDANE BERTRAND A picture taken on June 16, 2016 at the cemetery of Arcachon, shows plaques displaying the names of Tirailleurs senegalais (Senegalese Tirailleurs) who died at the Courneau military camp in Teste-de-Buch. The Senegalese Tirailleurs were a corps of colonial infantry in the French Army recruited from Senegal. In April 1916, French military authorities had set a camp in Teste-de-Buch to acclimate colonial troops to European weather. Nearly 70.000 tirailleurs between April 1916 and September 1917 will pass through the 400 huts of the camp. / AFP PHOTO / GEORGES GOBETGEORGES GOBET/AFP/Getty Images

TO GO WITH AFP STORY BY JORDANE BERTRAND A photo taken on June 16, 2016 shows graves of "Tirailleurs senegalais" (Senegalese Tirailleurs) at the cimetery of Teste-de-Buch. The Senegalese Tirailleurs were a corps of colonial infantry in the French Army recruited from Senegal. In April 1916, French military authorities had set a camp in Teste-de-Buch to acclimate colonial troops to European weather. Nearly 70.000 tirailleurs between April 1916 and September 1917 will pass through the 400 huts of the camp. / AFP PHOTO / GEORGES GOBETGEORGES GOBET/AFP/Getty Images

TO GO WITH AFP STORY BY JORDANE BERTRAND A picture taken on June 16, 2016 at the cemetery of Arcachon, shows plaques displaying the names of Tirailleurs senegalais (Senegalese Tirailleurs) who died at the Courneau military camp in Teste-de-Buch. The Senegalese Tirailleurs were a corps of colonial infantry in the French Army recruited from Senegal. In April 1916, French military authorities had set a camp in Teste-de-Buch to acclimate colonial troops to European weather. Nearly 70.000 tirailleurs between April 1916 and September 1917 will pass through the 400 huts of the camp. / AFP PHOTO / GEORGES GOBETGEORGES GOBET/AFP/Getty Images

TO GO WITH AFP STORY BY JORDANE BERTRAND Jean-Pierre Caule, 76, member of the Historical Society of Arcachon and Pays de Buch, shows postcards of the military camp of Courneau on June 16, 2016 in his home in Teste-de-Buch. The Senegalese Tirailleurs were a corps of colonial infantry in the French Army recruited from Senegal. In April 1916, French military authorities had set a camp in Teste-de-Buch to acclimate colonial troops to European weather. Nearly 70.000 tirailleurs between April 1916 and September 1917 will pass through the 400 huts of the camp. / AFP PHOTO / GEORGES GOBETGEORGES GOBET/AFP/Getty Images

TO GO WITH AFP STORY BY JORDANE BERTRAND A photo taken on June 16, 2016 shows graves of "Tirailleurs senegalais" (Senegalese Tirailleurs) at the cimetery of Teste-de-Buch. The Senegalese Tirailleurs were a corps of colonial infantry in the French Army recruited from Senegal. In April 1916, French military authorities had set a camp in Teste-de-Buch to acclimate colonial troops to European weather. Nearly 70.000 tirailleurs between April 1916 and September 1917 will pass through the 400 huts of the camp. / AFP PHOTO / GEORGES GOBETGEORGES GOBET/AFP/Getty Images

Indian vehicles stranded by bad weather wait at the side of the National Highway 44 at Churaibari some 80 kms north of Karimganj on the border of the north-eastern states of Assam and Tripura on July 11, 2016. Heavy rains have rendered roads into the north Indian state of Tripura from the rest of the country all but impassable. / AFP PHOTO / STRSTR/AFP/Getty Images