Portfolio Shortcode new WP_Query

// WP_Query arguments
$args = array(
	'post_type'              => array( 'portfolio' ),
	'posts_per_page'         => '3',
	'order'                  => 'ASC',
	'orderby'                => 'menu_order',
	'tax_query'              => array(
		array(
			'taxonomy'         => 'portfolio_category',
			'terms'            => array( 'animals', 'landscapes' ),
			'field'            => 'slug',
			'include_children' => true,
		),
	),
);

// The Query
$portfolio_grid_loop = new WP_Query( $args );

// The Loop
if ( $portfolio_grid_loop->have_posts() ) {
	while ( $portfolio_grid_loop->have_posts() ) {
		$portfolio_grid_loop->the_post();
		// do something
	}
} else {
	// no posts found
}

// Restore original Post Data
wp_reset_postdata();