Growing cities, overuse of fertilizers and factory wastewater have degraded China's water supplies to the extent that half the nation's rivers and lakes are severely polluted. China aims to spend $850 billion to improve filthy water supplies over the next decade, but even such huge outlays may do little to reverse damage caused by decades of pollution and overuse in Beijing's push for rapid economic growth. Photo: Fishermen row a boat in the algae-filled Chaohu Lake in Hefei, Anhui province, June 19, 2009. (Photo by Jianan Yu/Reuters)

In this photo released by Xhinhua News Agency, a rescuer evacuates residents near the site of a chemical plant blast in Zhangzhou, southeast China's Fujian Province Tuesday, April 7, 2015. Six people have been hospitalized and hundreds of firefighters deployed to battle a blaze sparked by an explosion at Goure PX Plant that produces the toxic chemical paraxylene, officials said Tuesday. (Photo by Wei Peiquan/AP Photo/Xinhua)

Paramilitary policemen carry tyres as they take part in a training session in Zhangye, Gansu Province, China, March 1, 2016. (Photo by Reuters/Stringer)

A performer takes part in a night parade to celebrate Chinese New Year in Hong Kong Friday, February 16, 2018. The Lunar New Year this year marks the Year of the Dog in the Chinese calendar. (Photo by Vincent Yu/AP Photo)

“Panopticons is an arts and regeneration project of the East Lancashire Environmental Arts Network managed by Mid Pennine Arts. It involved the construction of series of 21st-century landmarks, or Panopticons (structures providing a comprehensive view), across East Lancashire, England, as symbols of the renaissance of the area”. – Wikipedia

Photo: “Singing Ringing Tree. The Singing Ringing Tree is a musical sculpture overlooking Burnley. It was designed by architects Mike Tonkin and Anna Liu of Tonkin Liu and constructed from pipes of galvanised steel”. (Photos by WandereringSoul/Mark Tighe)

This is the Legends Russian Series. Legends car exceeds new Porsche 911 power-to-weight ratio – it is 260 hp per ton with the car weight of 500 kg. It’s been designed in the USA by 600 Racing Inc, a subsidiary of Speedway Motorsport, the largest motorsport holding company in America with the annual turnover of $567,000,000. Khimki, Moscow region. February 11, 2012. (Photo by Alexey Petrov)