the pond that dries when close to it

[Japo32]

in the main Falklands there is a pond that when you are far away there is watter, but when close to it, the omnipresent grass appears and the watter goes away

https://gyazo.com/322b4bc033cdf16421b7bccf9b1b6951

https://gyazo.com/15a51ee62cfe9968db62dc72dd4b4367