Potential

SELECT * FROM gallery2 WHERE topic_id="718358" UNION SELECT * FROM gallery2 WHERE topic_id="118932" UNION SELECT * FROM gallery2 WHERE topic_id="470329" UNION SELECT * FROM gallery2 WHERE topic_id="90070" UNION SELECT * FROM gallery2 WHERE topic_id="96618" UNION SELECT * FROM gallery2 WHERE topic_id="830133" UNION SELECT * FROM gallery2 WHERE topic_id="518216" UNION SELECT * FROM gallery2 WHERE topic_id="1084259" UNION SELECT * FROM gallery2 WHERE topic_id="228931" UNION SELECT * FROM gallery2 WHERE topic_id="589139" UNION SELECT * FROM gallery2 WHERE topic_id="308434" UNION SELECT * FROM gallery2 WHERE topic_id="221434" UNION SELECT * FROM gallery2 WHERE topic_id="1467079" UNION SELECT * FROM gallery2 WHERE topic_id="1509438" UNION SELECT * FROM gallery2 WHERE topic_id="1629663" UNION SELECT * FROM gallery2 WHERE topic_id="1660993"