Natural

SELECT * FROM gallery2 WHERE topic_id="1554157" UNION SELECT * FROM gallery2 WHERE topic_id="84418" UNION SELECT * FROM gallery2 WHERE topic_id="1600375" UNION SELECT * FROM gallery2 WHERE topic_id="126571" UNION SELECT * FROM gallery2 WHERE topic_id="472295" UNION SELECT * FROM gallery2 WHERE topic_id="1138543" UNION SELECT * FROM gallery2 WHERE topic_id="198121" UNION SELECT * FROM gallery2 WHERE topic_id="1827552" UNION SELECT * FROM gallery2 WHERE topic_id="1406389" UNION SELECT * FROM gallery2 WHERE topic_id="955808" UNION SELECT * FROM gallery2 WHERE topic_id="636561" UNION SELECT * FROM gallery2 WHERE topic_id="1504249" UNION SELECT * FROM gallery2 WHERE topic_id="569845" UNION SELECT * FROM gallery2 WHERE topic_id="119718" UNION SELECT * FROM gallery2 WHERE topic_id="1352402" UNION SELECT * FROM gallery2 WHERE topic_id="1688588"