Drying up: Before and after satellite photos of Chennai's lakes

Millions in Tamil Nadu have turned to water tankers as taps in houses and hotels run dry, a consequence of acute water shortage caused by lakes drying up and groundwater depletion. (Photo: AP)

This June 15, 2018, satellite image provided by Maxar Technologies shows Puzhal reservoir, Chennai, India before draught. (Photo: AP)

This June 15, 2018, satellite image provided by Maxar Technologies shows Puzhal reservoir, Chennai, India before draught. (Photo: AP)

This April 6, 2019, satellite image provided by Maxar Technologies shows Puzhal reservoir in Chennai, India during drought. (Photo: AP)

This June 15, 2019, Copernicus Sentinel-2 Satellite image provided by Maxar Technologies shows Puzhal reservoir in Chennai, India during the drought. (Photo: AP)

This June 15, 2018, Copernicus Sentinel-2 Satellite image provided by Maxar Technologies shows Chembarambakkam Lake in Chennai, India before the drought. (Photo: AP)

This June 15, 2019, Copernicus Sentinel-2 Satellite image provided by Maxar Technologies shows Chembarambakkam Lake in Chennai, India during the drought. (AP)