In the last two pictures the white crystal is salt or ice??
6 E1 L. A; r8 D$ w) v1 norchids 發表於 2010-7-7 02:45 PM  , d% o' n1 @) M8 j; x5 r
3 U4 q1 q2 y( b% H, P! _& w8 o7 z( s5.39.217.77of course it's the floating ice, where got the salt in these freshwater lake?  |