Get All images attached to post & their image title, caption, description

single.php

<?php
/*
	Getting all images attached to current post
	+ getting the IMAGEs: alt, title, caption, description, url defined in Library for every image.
	
	Place this script inside the loop.
*/

	$args = array( 
		'post_type' => 'attachment', 
		'orderby' => 'menu_order', 
		'order' => 'ASC', 
		'post_mime_type' => 'image',
		'numberposts' => -1, 
		'post_parent' => $post->ID
	);

	$attachments = get_posts($args);

	if ($attachments) :
		foreach ( $attachments as $attachment ) :
			$alt = get_post_meta($attachment->ID, '_wp_attachment_image_alt', true);
			$title = $attachment->post_title;
			$caption = $attachment->post_excerpt;
			$description = $attachment->post_content;
			$uri = wp_get_attachment_url( $attachment->ID);
?>

  <h1><?php echo $title; ?></h1>

  <a href="<?php echo $uri; ?>" rel="lightbox" title="<?php echo $img_title; ?>">
    <img src="<?php echo $uri; ?>" alt="<?php echo $alt; ?>">
  </a>

  <p></p><?php echo $description; ?></p>

 <?php endforeach; endif; ?>