Thoughts

SELECT * FROM gallery2 WHERE topic_id="1700273" UNION SELECT * FROM gallery2 WHERE topic_id="1364632" UNION SELECT * FROM gallery2 WHERE topic_id="1058841" UNION SELECT * FROM gallery2 WHERE topic_id="511336" UNION SELECT * FROM gallery2 WHERE topic_id="423701" UNION SELECT * FROM gallery2 WHERE topic_id="1618414" UNION SELECT * FROM gallery2 WHERE topic_id="1236226" UNION SELECT * FROM gallery2 WHERE topic_id="996799" UNION SELECT * FROM gallery2 WHERE topic_id="1463149" UNION SELECT * FROM gallery2 WHERE topic_id="1313479" UNION SELECT * FROM gallery2 WHERE topic_id="33597" UNION SELECT * FROM gallery2 WHERE topic_id="45991" UNION SELECT * FROM gallery2 WHERE topic_id="292054" UNION SELECT * FROM gallery2 WHERE topic_id="1090290" UNION SELECT * FROM gallery2 WHERE topic_id="509192" UNION SELECT * FROM gallery2 WHERE topic_id="1136026"