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Uploaded by Henllan on Jun 5, 2009
Investigate a few of the sink holes along the River Alyn while the weather is fine and the water level low.
Education
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.....disappeared to.
The71marti 1 year ago
there is miles and miles of mines under this river from hundreds of yrs ago. thats where the water has disappeared too.
very very interesting i would like to go there
315kylie 1 year ago
An underground river! It's like Journey to the Center of the Earth!
peterjohnglynn 2 years ago
Very Interesting film. Must be nice to walk on a dry river bed. Not often we can do it in this country.
007vauxhall 2 years ago
interesting !
wxpm 2 years ago
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.....disappeared to.
The71marti 1 year ago
there is miles and miles of mines under this river from hundreds of yrs ago. thats where the water has disappeared too.
The71marti 1 year ago
very very interesting i would like to go there
315kylie 1 year ago
An underground river! It's like Journey to the Center of the Earth!
peterjohnglynn 2 years ago
Very Interesting film. Must be nice to walk on a dry river bed. Not often we can do it in this country.
007vauxhall 2 years ago
interesting !
wxpm 2 years ago