Stacked

SELECT * FROM gallery2 WHERE topic_id="1484980" UNION SELECT * FROM gallery2 WHERE topic_id="476278" UNION SELECT * FROM gallery2 WHERE topic_id="1421898" UNION SELECT * FROM gallery2 WHERE topic_id="422949" UNION SELECT * FROM gallery2 WHERE topic_id="1248311" UNION SELECT * FROM gallery2 WHERE topic_id="182224" UNION SELECT * FROM gallery2 WHERE topic_id="386778" UNION SELECT * FROM gallery2 WHERE topic_id="98522" UNION SELECT * FROM gallery2 WHERE topic_id="1128190" UNION SELECT * FROM gallery2 WHERE topic_id="473301" UNION SELECT * FROM gallery2 WHERE topic_id="622953" UNION SELECT * FROM gallery2 WHERE topic_id="286426" UNION SELECT * FROM gallery2 WHERE topic_id="166140" UNION SELECT * FROM gallery2 WHERE topic_id="1283650" UNION SELECT * FROM gallery2 WHERE topic_id="867633" UNION SELECT * FROM gallery2 WHERE topic_id="652172"