Dangerous curves

SELECT * FROM gallery2 WHERE topic_id="1643906" UNION SELECT * FROM gallery2 WHERE topic_id="1325537" UNION SELECT * FROM gallery2 WHERE topic_id="267491" UNION SELECT * FROM gallery2 WHERE topic_id="1744894" UNION SELECT * FROM gallery2 WHERE topic_id="899959" UNION SELECT * FROM gallery2 WHERE topic_id="1685901" UNION SELECT * FROM gallery2 WHERE topic_id="502933" UNION SELECT * FROM gallery2 WHERE topic_id="1381558" UNION SELECT * FROM gallery2 WHERE topic_id="1173379" UNION SELECT * FROM gallery2 WHERE topic_id="594072" UNION SELECT * FROM gallery2 WHERE topic_id="410968" UNION SELECT * FROM gallery2 WHERE topic_id="935352" UNION SELECT * FROM gallery2 WHERE topic_id="859621" UNION SELECT * FROM gallery2 WHERE topic_id="1087831" UNION SELECT * FROM gallery2 WHERE topic_id="1432155" UNION SELECT * FROM gallery2 WHERE topic_id="1579524"