Custom Taxonomy Archive Query

        <?php if(have_posts()) : ?>
            <header class="page-header">
                <?php
                    the_archive_title( '<h1 class="page-title">', '</h1>' );
                    the_archive_description( '<div class="taxonomy-description">', '</div>' );
                ?>
            </header><!-- .page-header -->


                <?php while (have_posts()) : the_post(); ?>

                        <!--single post start -->
                        <article class="single_article floatleft">
                            <div class="single_article_img">
                                <a href="<?php echo wp_get_attachment_url( get_post_thumbnail_id() ); ?>" title="<?php the_title();?>" target="_blank"><?php the_post_thumbnail(); ?></a>
                            </div>
                        </article>
                        <!--single post end -->


                    <?php endwhile; ?>

                    <?php else : ?>

                                <header class="page-header">
                <?php
                    the_archive_title( '<h1 class="page-title">', '</h1>'.'Not Found' );
                    the_archive_description( '<div class="taxonomy-description">', '</div>' );
                ?>
            </header><!-- .page-header -->


                    <?php endif; ?>