$args_query = array(
    'posts_per_page' => 10,
    'order' => 'DESC',
    'tax_query' => array(
        array(
            'taxonomy' => 'sehir',
            'field' => 'term_id',
        ),
    ),
);

$query = new WP_Query( $args_query );

if ( $query->have_posts() ) {
    while ( $query->have_posts() ) {
        $query->the_post();
        echo '<img src="' . esc_url( get_template_directory_uri() . '/images/' . get_the_terns( get_the_ID(), 'sehir' )[0]->term_id . '.jpg' ) . '">';
    }
} else {

}

wp_reset_postdata();