Blues clues

SELECT * FROM gallery2 WHERE topic_id="1574524" UNION SELECT * FROM gallery2 WHERE topic_id="1454601" UNION SELECT * FROM gallery2 WHERE topic_id="804548" UNION SELECT * FROM gallery2 WHERE topic_id="504427" UNION SELECT * FROM gallery2 WHERE topic_id="1640421" UNION SELECT * FROM gallery2 WHERE topic_id="1384027" UNION SELECT * FROM gallery2 WHERE topic_id="146966" UNION SELECT * FROM gallery2 WHERE topic_id="1718879" UNION SELECT * FROM gallery2 WHERE topic_id="1296545" UNION SELECT * FROM gallery2 WHERE topic_id="1514586" UNION SELECT * FROM gallery2 WHERE topic_id="75739" UNION SELECT * FROM gallery2 WHERE topic_id="116345" UNION SELECT * FROM gallery2 WHERE topic_id="1099736" UNION SELECT * FROM gallery2 WHERE topic_id="612920" UNION SELECT * FROM gallery2 WHERE topic_id="152168" UNION SELECT * FROM gallery2 WHERE topic_id="1098053"