Short

SELECT * FROM gallery2 WHERE topic_id="904235" UNION SELECT * FROM gallery2 WHERE topic_id="1073672" UNION SELECT * FROM gallery2 WHERE topic_id="557268" UNION SELECT * FROM gallery2 WHERE topic_id="1135590" UNION SELECT * FROM gallery2 WHERE topic_id="1644705" UNION SELECT * FROM gallery2 WHERE topic_id="1638658" UNION SELECT * FROM gallery2 WHERE topic_id="1374305" UNION SELECT * FROM gallery2 WHERE topic_id="1312076" UNION SELECT * FROM gallery2 WHERE topic_id="1072122" UNION SELECT * FROM gallery2 WHERE topic_id="490556" UNION SELECT * FROM gallery2 WHERE topic_id="1508647" UNION SELECT * FROM gallery2 WHERE topic_id="1483093" UNION SELECT * FROM gallery2 WHERE topic_id="316575" UNION SELECT * FROM gallery2 WHERE topic_id="256926" UNION SELECT * FROM gallery2 WHERE topic_id="1215306" UNION SELECT * FROM gallery2 WHERE topic_id="964255"