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taxquery

$tax_query = array(
	'relation' => 'OR',
	array(
		'taxonomy'         => 'ubicacion',
		'terms'            => 'array( $landing_ubicacion )',
		'field'            => 'slug',
		'operator'         => 'AND',
	),
	array(
		'taxonomy'         => 'familia',
		'terms'            => 'array( $landing_sector )',
		'field'            => 'slug',
		'operator'         => 'AND',
	),
);