Apr. 7., 2009 | 07:42 pm
No:: redrum
Sorē, kļūdijos: [i]requiring about 80 to 110 liters of sap to produce one liter of syrup (more than twice that needed for maple syrup)[/i]
http://en.wikipedia.org/wiki/Birch_syrup
http://en.wikipedia.org/wiki/Birch_syru