Stacked

SELECT * FROM gallery2 WHERE topic_id="293940" UNION SELECT * FROM gallery2 WHERE topic_id="1115427" UNION SELECT * FROM gallery2 WHERE topic_id="1770998" UNION SELECT * FROM gallery2 WHERE topic_id="1651250" UNION SELECT * FROM gallery2 WHERE topic_id="1757698" UNION SELECT * FROM gallery2 WHERE topic_id="1785029" UNION SELECT * FROM gallery2 WHERE topic_id="178526" UNION SELECT * FROM gallery2 WHERE topic_id="336347" UNION SELECT * FROM gallery2 WHERE topic_id="771774" UNION SELECT * FROM gallery2 WHERE topic_id="1053396" UNION SELECT * FROM gallery2 WHERE topic_id="967779" UNION SELECT * FROM gallery2 WHERE topic_id="430144" UNION SELECT * FROM gallery2 WHERE topic_id="1810365" UNION SELECT * FROM gallery2 WHERE topic_id="1477217" UNION SELECT * FROM gallery2 WHERE topic_id="885737" UNION SELECT * FROM gallery2 WHERE topic_id="1816768"