World Water Day

People watch a water fountain on the Swiss Federal square in Bern, Switzerland March 21, 2012. World Water Day, which is celebrated on March 22, aims to focus on water and food security. (Reuters)

An Indian bathes in the River Tawi in Jammu, India, March 22, 2012. (AP)

A girl holding sugarcane at a well in Endaselassie. Ethiopia, February 2012. (Photo: Water.org)

Pakistani boys transport water containers on a wheelbarrow after collecting water from a hand-pump on the outskirts of Islamabad, March, 21, 2012. (AP)

A boy arranging bottles of drinking water for sale at 10 PKR ($0.11) along Karachi's Clifton beach March 15, 2012. (Reuters)

A panoramic view of the dusty and dry Nueva Esperanza shantytown in Lima, Peru. (AP)

Ibnu Abas, a 50 year old fisherman in Calang, Indonesia, The Red Cross provided water and sanitation to his house after being destroyed in the 2009 tsunami. (Photo: Red Cross)

An Indian boy holds a pot after collecting water n a slum on the outskirts of Mumbai, India, Thursday, March 22, 2012. (AP)

Hundreds of people try to form the shape of a water drop as part of the celebration of World Water Day Thursday, March 22, 2012 in front of the Quirino Grandstand in Manila, Philippines. (AP)

Visitors play in the waters of WaWa dam in Rodriguez town, east of Manila, March 18, 2012. (Reuters)

Men bathe camels in Karachi's China Creek, March 18, 2012. (Reuters)

A fisherman casting a net over the waters of Lake Cocibolca, the biggest lake in Nicaragua. (Reuters)

World Water Day is on March 22. The UN estimates that more than one in six people worldwide do not have access to 20-50 liters (5-13 gallons) of safe freshwater a day to ensure their basics needs for drinking, cooking and cleaning.