Stacked

SELECT * FROM gallery2 WHERE topic_id="675122" UNION SELECT * FROM gallery2 WHERE topic_id="300219" UNION SELECT * FROM gallery2 WHERE topic_id="1507209" UNION SELECT * FROM gallery2 WHERE topic_id="306782" UNION SELECT * FROM gallery2 WHERE topic_id="1400560" UNION SELECT * FROM gallery2 WHERE topic_id="226161" UNION SELECT * FROM gallery2 WHERE topic_id="1787055" UNION SELECT * FROM gallery2 WHERE topic_id="872220" UNION SELECT * FROM gallery2 WHERE topic_id="1478738" UNION SELECT * FROM gallery2 WHERE topic_id="1722548" UNION SELECT * FROM gallery2 WHERE topic_id="968947" UNION SELECT * FROM gallery2 WHERE topic_id="1395393" UNION SELECT * FROM gallery2 WHERE topic_id="1734337" UNION SELECT * FROM gallery2 WHERE topic_id="1324079" UNION SELECT * FROM gallery2 WHERE topic_id="1269690" UNION SELECT * FROM gallery2 WHERE topic_id="191883"