Let me show you something

SELECT * FROM gallery2 WHERE topic_id="102786" UNION SELECT * FROM gallery2 WHERE topic_id="1504883" UNION SELECT * FROM gallery2 WHERE topic_id="1411490" UNION SELECT * FROM gallery2 WHERE topic_id="924251" UNION SELECT * FROM gallery2 WHERE topic_id="672314" UNION SELECT * FROM gallery2 WHERE topic_id="409405" UNION SELECT * FROM gallery2 WHERE topic_id="441844" UNION SELECT * FROM gallery2 WHERE topic_id="415576" UNION SELECT * FROM gallery2 WHERE topic_id="977367" UNION SELECT * FROM gallery2 WHERE topic_id="1013573" UNION SELECT * FROM gallery2 WHERE topic_id="1240951" UNION SELECT * FROM gallery2 WHERE topic_id="1506718" UNION SELECT * FROM gallery2 WHERE topic_id="611942" UNION SELECT * FROM gallery2 WHERE topic_id="1807274" UNION SELECT * FROM gallery2 WHERE topic_id="1701331" UNION SELECT * FROM gallery2 WHERE topic_id="848943"