La Chaine and St. Nicholas towers at the entrance to the ancient port of La Rochelle at dusk, Charente-Maritime, France, Europe

St. Nicholas and La Chaine towers at the entrance to the ancient port of La Rochelle, Charente-Maritime, France, Europe

Harbour entrance with Tour de la Chaine on left and Tour St. Nicolas (St. Nicholas Tower) on right, La Rochelle, Poitou Charentes, France, Europe

The towers of La Chaine and St. Nicholas at the entrance to the ancient port of La Rochelle, Charente-Maritime, France, Europe

View from le Puy-de-Dome of Chaine des Puys, Puy-de-Dome, Auvergne, France, Europe

Library in an African school where children are sponsored by French NGO, La Chaine de l'Espoir, Lome, Togo, West Africa, Africa

Library in an African school where children are sponsored by French NGO, La Chaine de l'Espoir, Lome, Togo, West Africa, Africa

La Chaine des Alpilles, Les Baux-de-Provence, Provence, France, Europe

Padlocks on a chaine in front of sheer, Huang Shan, Anhui province, China, Asia

Tour de la Chaine and Tour Saint Nicolas, towers, harbour, La Rochelle, Charente-Maritime, Poitou-Charentes, France, Europe, PublicGround

Tour Saint Nicolas and Tour de la Chaine, towers, harbour, La Rochelle, Poitou Charentes, France, Europe

View towards the sea at low tide, Tour de la Chaine, Tour de la Lanterne, towers, harbour, La Rochelle, Poitou Charentes, France, Europe

Tour Saint Nicolas and Tour de la Chaine, towers, harbour, La Rochelle, Poitou Charentes, France, Europe

Harbour with Tour Saint Nicolas and Tour de la Chaine, La Rochelle, France, Europe

Harbour with Tour Saint Nicolas and Tour de la Chaine, La Rochelle, France, Europe

Cret de la neige, 1720m, highest peak in the Jura massif, Haute chaine du Jura reserve, Ain, France