River weed and marsh marigolds (Caltha Palustris) of Lathkill Dale in spring, Peak District National Park, Derbyshire, England, United Kingdom, Europe

Young woman making Kai Paen, dried river weed sheets sprinkled with sesame seeds, thinly sliced tomatoes and garlic, northern Laos

Sun drying of Kai Paen, dried river weed sheets sprinkled with sesame seeds, thinly sliced tomatoes and garlic, northern Laos

Swans on River Coln by Arlington Row cottages traditional almshouses in Bibury, Gloucestershire, The Cotswolds, UK

Swan on River Coln by Arlington Row cottages traditional almshouses in Bibury, Gloucestershire in The Cotswolds, UK

A heron fishing for food in the Helford Estuary, Cornwall, South West England

Caucasian woman standing near river

India Kerala backwaters indian people in canoe

India Kerala backwaters indian people in canoe

Landscape at the Etang de l'Imperial east of Saintes-Maries-de-la-Mer, Camargue nature reserve, Provence, southern France, France, Europe

Red sorrel, sheep's sorrel, field sorrel or sour weed (Rumex acetosella) growing beside danubia river at sunset, bavaria, Germany, Europe