Irrigated winter wheat, oasis in Gobi Desert, Gansu Province, China, Asia

Village, rice paddies and farmland, with large irrigation canal, near Hambong, Hamgyong Province, North Korea, Asia

Irrigation canal in palm grove. Birkat Al Mouz, Al Dakhliya region, Falaj irrigation system (Falaj Al-Khatmeen), UNESCO, Oman, Arabian Peninsula

Bathers in irrigation canal, Birkat Al Mouz, Al Dakhliya region, Falaj irrigation system (Falaj Al-Khatmeen), UNESCO, Oman, Arabian Peninsula

Bathers in irrigation canal, Birkat Al Mouz, Al Dakhliya region, Falaj irrigation system (Falaj Al-Khatmeen), UNESCO, Oman, Arabian Peninsula

Man walking along the irrigation canals (Falaj) to supply the palm grove downstream from the Village of Misfat (or Misfah) Al Abriyeen in Jebel Akhdar, Sultanate of Oman, Arabian Peninsula, Middle East

irrigation canal in the palm grove at Birkat Al Mouz in the Al Dakhliya region at the foothills of Jebel Akhdar, The Falaj irrigation system (Falaj Al-Khatmeen) of old water channels are still alive in this village listed as one of UNESCO World heritages.

Man perched on the fodder carried on a donkey's back along an irrigation canal near the village of Ramadi, west bank of the Nile south of Edfu, Egypt, North Africa, Africa

The Kara Kum canal brings water from the River Amu Darya (Oxus), to irrigate cotton fields, Turkmenia, Central Asia, Asia

View of the Levada da Serra do Faial on the part from Ribeiro Frio to Portela, Madeira, Portugal, Europe

Water control dykes and windmill, Friesland, Holland, Europe

Irrigation canal, Dhariyawad, Rajasthan state, India, Asia

Irrigation canal with water from the Colorado River, Palm Springs area, California, United States of America, North America

A pumping station sends water uphill over the mountains on the California aquaduct that brings water from snowmelt in the Sierra Nevada mountains to farmland in the Central Valley. Following a four year long catastrophic drought, irrigation water is in short supply, with $2 billion annually wiped off the agricultre sector.

The California aquaduct that brings water from snowmelt in the Sierra Nevada mountains to famrland in the Central Valley. Following a four year long catastrophic drought, irrigation water is in short supply, with $2 billion annually wiped off the agricultre sector.

A pumping station sends water uphill over the mountains on the California aquaduct that brings water from snowmelt in the Sierra Nevada mountains to farmland in the Central Valley. Following a four year long catastrophic drought, irrigation water is in short supply, with $2 billion annually wiped off the agricultre sector.

The California aquaduct that brings water from snowmelt in the Sierra Nevada mountains to farmland in the Central Valley. Following a four year long catastrophic drought, irrigation water is in short supply, with $2 billion annually wiped off the agricultre sector.

An irrigation ditch near Echuca, Victoria, Australia, Pacific

Artificially irrigated wheat crops growing near Hangang in northern China, Asia

An irrigation ditch near Echuca, Victoria, Australia, Pacific

An irrigation ditch near Echuca, Victoria, Australia, Pacific

An irrigation ditch near Echuca, Victoria, Australia, Pacific

River Nile Delta and Suez Canal, Egypt, satellite image

Children cooling off at the catchment of a spring that is fed by water pipes, Basti Lehar Walla village, Punjab, Pakistan, Asia

Children cooling off in the catchment of a spring fed by water pipes, Basti Lehar Walla village, Punjab, Pakistan, Asia

Falaj canal, irrigation system, of Wadi Shab, Hajar ash Sharqi Mountains, Sharqiya Region, Sultanate of Oman, Arabia, Middle East

Leitenwaal path, Schluderns, Vinschgau, Val Venosta, South Tyrol, Italy, Europe

Lebenberg Castle above vineyards, view from the Marlinger Waalweg, Province of Bolzano, South Tyrol, Italy, Europe

Traditional Falaj canal at Wadi Misfah, Hajar al Gharbi Mountains, Dhakiliya Region, Sultanate of Oman, Arabia, Middle East

From the left the Algunder Waal (canal) hiking trail the Dorf Tirol below castle de Fontana and the mountain Ilfinger peak, near Meran, South Tyrol, Italy

Hikers on the hiking trail PR6 to the 25 springs, along water channel, Levada das 25 Fontes, in rainforest, laurel forest Laurisilva, Rabacal nature reserve, island Madeira, Portugal, Europe

Hiking trail PR6 to the 25 springs, along water channel, Levada das 25 Fontes, in rainforest, Rabacal nature reserve, Island Madeira, Portugal, Europe

Ribeira Grande, waterfall in a gorge on PR9 Levada do Caldeirao Verde, Madeira, Portugal, Europe

Adventure in nature, hiker in the thicket, fern, PR9 Levada do Caldeirao Verde, Madeira, Portugal, Europe

Hiker in a tunnel at PR9 Levada do Caldeirao Verde, Madeira, Portugal, Europe

Hiker on a Levada, PR9 Levada do Caldeirao Verde, Madeira, Portugal, Europe

Hiker on a Levada, PR9 Levada do Caldeirao Verde, Madeira, Portugal, Europe

Hiker on a Levada, PR9 Levada do Caldeirao Verde, Madeira, Portugal, Europe

Waterfall, fern on cliff in jungle, PR9 Levada do Caldeirao Verde, Madeira, Portugal, Europe

Hiking sign, Levada, PR9 Levada do Caldeirao Verde, Madeira, Portugal, Europe

Hiker on a Levada, PR9 Levada do Caldeirao Verde, Madeira, Portugal, Europe

Hiking trail PR6 to the 25 springs, along water channel, Levada das 25 Fontes, in rainforest, Rabacal nature reserve, Island Madeira, Portugal, Europe

The gardens of Alcazar de los Reyes Cristianos, Alcazar of Catholic Kings, Cordoba, Andalusia, Spain, Europe

Teenage Girl Standing Over A Small Canal Of Water With Arms Outstretched, Andalusia, Spain