Need some attention :)

SELECT * FROM gallery2 WHERE topic_id="1636654" UNION SELECT * FROM gallery2 WHERE topic_id="1584908" UNION SELECT * FROM gallery2 WHERE topic_id="1789384" UNION SELECT * FROM gallery2 WHERE topic_id="1453634" UNION SELECT * FROM gallery2 WHERE topic_id="819257" UNION SELECT * FROM gallery2 WHERE topic_id="1280916" UNION SELECT * FROM gallery2 WHERE topic_id="1786990" UNION SELECT * FROM gallery2 WHERE topic_id="1638001" UNION SELECT * FROM gallery2 WHERE topic_id="1139859" UNION SELECT * FROM gallery2 WHERE topic_id="784774" UNION SELECT * FROM gallery2 WHERE topic_id="420875" UNION SELECT * FROM gallery2 WHERE topic_id="474595" UNION SELECT * FROM gallery2 WHERE topic_id="1053862" UNION SELECT * FROM gallery2 WHERE topic_id="1700218" UNION SELECT * FROM gallery2 WHERE topic_id="1726654" UNION SELECT * FROM gallery2 WHERE topic_id="1056640"