use XML::LibXML;
my $parser = XML::LibXML->new();
my $doc = $parser->parse_file("query.xml");

for my $query ( $doc->findnodes("//queries/query") )
{
    for my $kid ( $query->findnodes("*") )
    {
        printf("%10s : %s\n",
               $kid->getName,
               $kid->textContent
               );
    }
    print "\n";
}