Perfect

SELECT * FROM gallery2 WHERE topic_id="1481409" UNION SELECT * FROM gallery2 WHERE topic_id="1205879" UNION SELECT * FROM gallery2 WHERE topic_id="1338707" UNION SELECT * FROM gallery2 WHERE topic_id="453004" UNION SELECT * FROM gallery2 WHERE topic_id="530905" UNION SELECT * FROM gallery2 WHERE topic_id="855591" UNION SELECT * FROM gallery2 WHERE topic_id="1089908" UNION SELECT * FROM gallery2 WHERE topic_id="728326" UNION SELECT * FROM gallery2 WHERE topic_id="1388146" UNION SELECT * FROM gallery2 WHERE topic_id="548608" UNION SELECT * FROM gallery2 WHERE topic_id="1218582" UNION SELECT * FROM gallery2 WHERE topic_id="1611256" UNION SELECT * FROM gallery2 WHERE topic_id="693842" UNION SELECT * FROM gallery2 WHERE topic_id="1798763" UNION SELECT * FROM gallery2 WHERE topic_id="214307" UNION SELECT * FROM gallery2 WHERE topic_id="907153"