Stacked

SELECT * FROM gallery2 WHERE topic_id="519856" UNION SELECT * FROM gallery2 WHERE topic_id="1823274" UNION SELECT * FROM gallery2 WHERE topic_id="1433438" UNION SELECT * FROM gallery2 WHERE topic_id="1125802" UNION SELECT * FROM gallery2 WHERE topic_id="306497" UNION SELECT * FROM gallery2 WHERE topic_id="896447" UNION SELECT * FROM gallery2 WHERE topic_id="953495" UNION SELECT * FROM gallery2 WHERE topic_id="111959" UNION SELECT * FROM gallery2 WHERE topic_id="702753" UNION SELECT * FROM gallery2 WHERE topic_id="1719737" UNION SELECT * FROM gallery2 WHERE topic_id="491128" UNION SELECT * FROM gallery2 WHERE topic_id="267598" UNION SELECT * FROM gallery2 WHERE topic_id="1620197" UNION SELECT * FROM gallery2 WHERE topic_id="1614502" UNION SELECT * FROM gallery2 WHERE topic_id="216031" UNION SELECT * FROM gallery2 WHERE topic_id="262650"