Source google image: https://upload.wikimedia.org/wikipedia/commons/thumb/8/83/Bou%C3%A9e_chenal_de_le_Loire.JPG/1200px-Bou%C3%A9e_chenal_de_le_Loire.JPG
Panneau solaire balise maritime
Source google image: https://upload.wikimedia.org/wikipedia/commons/thumb/8/83/Bou%C3%A9e_chenal_de_le_Loire.JPG/1200px-Bou%C3%A9e_chenal_de_le_Loire.JPG