Dangerous Line

SELECT * FROM gallery2 WHERE topic_id="209572" UNION SELECT * FROM gallery2 WHERE topic_id="1631747" UNION SELECT * FROM gallery2 WHERE topic_id="675495" UNION SELECT * FROM gallery2 WHERE topic_id="481831" UNION SELECT * FROM gallery2 WHERE topic_id="981513" UNION SELECT * FROM gallery2 WHERE topic_id="640380" UNION SELECT * FROM gallery2 WHERE topic_id="210611" UNION SELECT * FROM gallery2 WHERE topic_id="50111" UNION SELECT * FROM gallery2 WHERE topic_id="1251735" UNION SELECT * FROM gallery2 WHERE topic_id="1703038" UNION SELECT * FROM gallery2 WHERE topic_id="928570" UNION SELECT * FROM gallery2 WHERE topic_id="144857" UNION SELECT * FROM gallery2 WHERE topic_id="1262062" UNION SELECT * FROM gallery2 WHERE topic_id="303816" UNION SELECT * FROM gallery2 WHERE topic_id="887694" UNION SELECT * FROM gallery2 WHERE topic_id="933814"