In a section on water in outer space we learn that there is a lake-size layer of ice on the moon's south pole, that Mars once had rivers, that there is steam in the sun's atmosphere.
Because of this, travellers are flocking to the area and there is a danger that snorkelling in the lake could become too popular for its own good.
"The problem is there's quite a big road round the lake and for a 300m section, the toads are tumbling out of the woods to try to get to the lake, " he said.
The scenery, mostly taiga forest, can be monotonous, and there is a handful of worthy stops like the unreal Lake Baikal to break the trip - and to take a real shower.
But they said - I grew up by this lake called Green Lake, which is a pretty sizable - there's a few miles around it.
Then, beyond a lake populated by flocks of black swans, there is the first sight of the Tongariro mountain range.
It could take two to three days to drain the lake to a point where searchers will know if anyone is there, Evansdale Mayor Chad Deutsch said.
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Silver Lake is the closest thing to a technology-oriented buyout firm out there.
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In the lake, however, there is the risk of bilharzia, an infection by a type of parasitic worm, so travellers who choose to swim or dive there often stock up on the treatment, Praziquantel tablets.
While Salt Lake's pickins' used to be rather slim (there is a high ratio of Red Lobsters to residents), the restaurant scene now offers a mix of fine American, Asian and Italian dining.
Indeed, there's geologic evidence from the rover and from NASA's Mars orbiters that there may once have been a large lake and streams within the basin that Curiosity is driving around in now.
There is a similar but slightly more secluded pool at Fatnas Spring, the small island in the salty Birket Siwa (Lake Siwa) accessible across a narrow causeway.
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