Let me show you something

SELECT * FROM gallery2 WHERE topic_id="1784628" UNION SELECT * FROM gallery2 WHERE topic_id="702466" UNION SELECT * FROM gallery2 WHERE topic_id="601426" UNION SELECT * FROM gallery2 WHERE topic_id="936342" UNION SELECT * FROM gallery2 WHERE topic_id="365171" UNION SELECT * FROM gallery2 WHERE topic_id="1701280" UNION SELECT * FROM gallery2 WHERE topic_id="1008878" UNION SELECT * FROM gallery2 WHERE topic_id="1742972" UNION SELECT * FROM gallery2 WHERE topic_id="1507609" UNION SELECT * FROM gallery2 WHERE topic_id="525441" UNION SELECT * FROM gallery2 WHERE topic_id="667947" UNION SELECT * FROM gallery2 WHERE topic_id="606076" UNION SELECT * FROM gallery2 WHERE topic_id="404715" UNION SELECT * FROM gallery2 WHERE topic_id="426274" UNION SELECT * FROM gallery2 WHERE topic_id="1668215" UNION SELECT * FROM gallery2 WHERE topic_id="1482829"