I need some help

SELECT * FROM gallery2 WHERE topic_id="1691616" UNION SELECT * FROM gallery2 WHERE topic_id="1672356" UNION SELECT * FROM gallery2 WHERE topic_id="36433" UNION SELECT * FROM gallery2 WHERE topic_id="1773183" UNION SELECT * FROM gallery2 WHERE topic_id="1365706" UNION SELECT * FROM gallery2 WHERE topic_id="1556968" UNION SELECT * FROM gallery2 WHERE topic_id="1536905" UNION SELECT * FROM gallery2 WHERE topic_id="1465365" UNION SELECT * FROM gallery2 WHERE topic_id="523724" UNION SELECT * FROM gallery2 WHERE topic_id="1513819" UNION SELECT * FROM gallery2 WHERE topic_id="488262" UNION SELECT * FROM gallery2 WHERE topic_id="558710" UNION SELECT * FROM gallery2 WHERE topic_id="509758" UNION SELECT * FROM gallery2 WHERE topic_id="1352005" UNION SELECT * FROM gallery2 WHERE topic_id="1165964" UNION SELECT * FROM gallery2 WHERE topic_id="443637"