Yor

SELECT * FROM gallery2 WHERE topic_id="1690690" UNION SELECT * FROM gallery2 WHERE topic_id="836768" UNION SELECT * FROM gallery2 WHERE topic_id="1531170" UNION SELECT * FROM gallery2 WHERE topic_id="1325683" UNION SELECT * FROM gallery2 WHERE topic_id="1354336" UNION SELECT * FROM gallery2 WHERE topic_id="896431" UNION SELECT * FROM gallery2 WHERE topic_id="751472" UNION SELECT * FROM gallery2 WHERE topic_id="104853" UNION SELECT * FROM gallery2 WHERE topic_id="756183" UNION SELECT * FROM gallery2 WHERE topic_id="1217615" UNION SELECT * FROM gallery2 WHERE topic_id="564643" UNION SELECT * FROM gallery2 WHERE topic_id="515856" UNION SELECT * FROM gallery2 WHERE topic_id="1237775" UNION SELECT * FROM gallery2 WHERE topic_id="944892" UNION SELECT * FROM gallery2 WHERE topic_id="1502889" UNION SELECT * FROM gallery2 WHERE topic_id="765658"