Chained

SELECT * FROM gallery2 WHERE topic_id="1033828" UNION SELECT * FROM gallery2 WHERE topic_id="35692" UNION SELECT * FROM gallery2 WHERE topic_id="1668342" UNION SELECT * FROM gallery2 WHERE topic_id="490453" UNION SELECT * FROM gallery2 WHERE topic_id="65921" UNION SELECT * FROM gallery2 WHERE topic_id="1352563" UNION SELECT * FROM gallery2 WHERE topic_id="1010142" UNION SELECT * FROM gallery2 WHERE topic_id="360545" UNION SELECT * FROM gallery2 WHERE topic_id="1380479" UNION SELECT * FROM gallery2 WHERE topic_id="1742190" UNION SELECT * FROM gallery2 WHERE topic_id="1005293" UNION SELECT * FROM gallery2 WHERE topic_id="1086302" UNION SELECT * FROM gallery2 WHERE topic_id="134263" UNION SELECT * FROM gallery2 WHERE topic_id="1031092" UNION SELECT * FROM gallery2 WHERE topic_id="1158529" UNION SELECT * FROM gallery2 WHERE topic_id="281989"