Stacked

SELECT * FROM gallery2 WHERE topic_id="857599" UNION SELECT * FROM gallery2 WHERE topic_id="299800" UNION SELECT * FROM gallery2 WHERE topic_id="635633" UNION SELECT * FROM gallery2 WHERE topic_id="430848" UNION SELECT * FROM gallery2 WHERE topic_id="1722416" UNION SELECT * FROM gallery2 WHERE topic_id="1756033" UNION SELECT * FROM gallery2 WHERE topic_id="675416" UNION SELECT * FROM gallery2 WHERE topic_id="1492851" UNION SELECT * FROM gallery2 WHERE topic_id="240151" UNION SELECT * FROM gallery2 WHERE topic_id="921022" UNION SELECT * FROM gallery2 WHERE topic_id="61267" UNION SELECT * FROM gallery2 WHERE topic_id="334633" UNION SELECT * FROM gallery2 WHERE topic_id="1744994" UNION SELECT * FROM gallery2 WHERE topic_id="1805780" UNION SELECT * FROM gallery2 WHERE topic_id="1274624" UNION SELECT * FROM gallery2 WHERE topic_id="1553625"