Bishan Park's canal that was turned into a naturalised and integrated river in March 2012, is now home to at least one exotic species of wildlife.
Even though it is man-made, a wild smooth-coated otter was spotted there on May 8, 2014.
Source: Poh Seng Lim
The conversion of the canal to a river, which took place from November 2009 to March 2012, was part of a S$76 million makeover of Bishan Park undertaken by water agency PUB and the National Parks Board. It was the first time a canal was turned into a river.
The purpose of the river is to serve as a flood plain to store excess storm water, increasing its capacity by 40 percent.
You can check out how the canal was turned into a river via a painstakingly compiled collage of photos:
Source: Brice Li
This is how the river looks like eventually:
You can watch the video here:
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Top photo from here