<?php
/*
* Template Name: Gallery Page
*/
$query_images_args = array(
'post_type' => 'attachment',
'post_mime_type' => 'image',
'post_status' => 'inherit',
'posts_per_page' => - 1,
);
$query_images = new WP_Query( $query_images_args );
?>
<?php get_header();?>
<div class="main">
<div class="row">
<?php foreach ( $query_images->posts as $image ) {?>
<div class="col-md-3">
<?php echo wp_get_attachment_image( $image->ID,'thumbnail' );?>
</div>
<?php }?>
</div>
</div>
<?php get_footer();?>