French photographer Rehahn has spent the end of 2015 travelling round Vietnam on his motorbike . He captured the 'happiest country in the world ' through a project of their concealed smiles . Hidden Smiles aims to exhibit 100 smiles by seven years .
French photographer Rehahn has spent seven years travelling round Vietnam on his motorbike . He captured the 'happiest country in the world ' through a project of their concealed smiles . Hidden Smiles aims to exhibit 100 smiles by the end of 2015 .