Best of: Why are extinct species coming back in Singapore?

In the final installment of our top five episodes of the year, Liling Tan speaks to Yeo Suay Hwee and Tan Gim Cheong from the Nature Society about certain native species that were once uprooted are now are coming back, and those that are lost forever.  See omnystudio.com/listener (https://omnystudio.com/listener) for privacy information.