photgraphy tax
$tax_query = array( 'relation' => 'AND', array( 'taxonomy' => 'category', 'terms' => '6839', 'field' => 'term_id', ), );
$tax_query = array( 'relation' => 'AND', array( 'taxonomy' => 'category', 'terms' => '6839', 'field' => 'term_id', ), );