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I think someone nailed it, as the excellent video immediately took me back 55 years. I hope you’re an healthy old man now, Kid…it was fun working “with” you
Great video....informative and beautiful.....useful for my study
Excellent educational video. Thank you and congratulations!
That’s actually a great video. Almost could be used for tourism promotion as well, Thanks !
Wow thanks for the information. Karst landscapes are so beautiful, yet so problematic :(
Super Video, i like this affair.... tks for sharing
Beijing has a biggest karst landscape park in northern China, it's so beautiful!
Super, thanks for this great video!
Merci Beaucoup
![How Groundwater Moves in Southeast Minnesota [Part 1]](http://i.ytimg.com/vi/t3ua4bmYxG8/mqdefault.jpg)
![How Groundwater Moves in Southeast Minnesota [Part 1]](/img/tr.png)
I think someone nailed it, as the excellent video immediately took me back 55 years. I hope you’re an healthy old man now, Kid…it was fun working “with” you
Great video....informative and beautiful.....useful for my study
Excellent educational video. Thank you and congratulations!
That’s actually a great video. Almost could be used for tourism promotion as well, Thanks !
Wow thanks for the information. Karst landscapes are so beautiful, yet so problematic :(
Super Video, i like this affair.... tks for sharing
Beijing has a biggest karst landscape park in northern China, it's so beautiful!
Super, thanks for this great video!
Merci Beaucoup