Classy

SELECT * FROM gallery2 WHERE topic_id="556873" UNION SELECT * FROM gallery2 WHERE topic_id="219178" UNION SELECT * FROM gallery2 WHERE topic_id="71118" UNION SELECT * FROM gallery2 WHERE topic_id="738070" UNION SELECT * FROM gallery2 WHERE topic_id="1577063" UNION SELECT * FROM gallery2 WHERE topic_id="1764028" UNION SELECT * FROM gallery2 WHERE topic_id="788011" UNION SELECT * FROM gallery2 WHERE topic_id="1452987" UNION SELECT * FROM gallery2 WHERE topic_id="1387044" UNION SELECT * FROM gallery2 WHERE topic_id="727418" UNION SELECT * FROM gallery2 WHERE topic_id="1447513" UNION SELECT * FROM gallery2 WHERE topic_id="1052573" UNION SELECT * FROM gallery2 WHERE topic_id="939701" UNION SELECT * FROM gallery2 WHERE topic_id="375256" UNION SELECT * FROM gallery2 WHERE topic_id="1367563" UNION SELECT * FROM gallery2 WHERE topic_id="336266"