Double streams

SELECT * FROM gallery2 WHERE topic_id="1455817" UNION SELECT * FROM gallery2 WHERE topic_id="1350010" UNION SELECT * FROM gallery2 WHERE topic_id="1460545" UNION SELECT * FROM gallery2 WHERE topic_id="543498" UNION SELECT * FROM gallery2 WHERE topic_id="1476006" UNION SELECT * FROM gallery2 WHERE topic_id="704738" UNION SELECT * FROM gallery2 WHERE topic_id="1029036" UNION SELECT * FROM gallery2 WHERE topic_id="1066545" UNION SELECT * FROM gallery2 WHERE topic_id="986809" UNION SELECT * FROM gallery2 WHERE topic_id="878188" UNION SELECT * FROM gallery2 WHERE topic_id="1288821" UNION SELECT * FROM gallery2 WHERE topic_id="547572" UNION SELECT * FROM gallery2 WHERE topic_id="483505" UNION SELECT * FROM gallery2 WHERE topic_id="921835" UNION SELECT * FROM gallery2 WHERE topic_id="1373611" UNION SELECT * FROM gallery2 WHERE topic_id="751199"