April Fool's teaser

SELECT * FROM gallery2 WHERE topic_id="1725896" UNION SELECT * FROM gallery2 WHERE topic_id="1729535" UNION SELECT * FROM gallery2 WHERE topic_id="139048" UNION SELECT * FROM gallery2 WHERE topic_id="872968" UNION SELECT * FROM gallery2 WHERE topic_id="1600036" UNION SELECT * FROM gallery2 WHERE topic_id="732087" UNION SELECT * FROM gallery2 WHERE topic_id="1146880" UNION SELECT * FROM gallery2 WHERE topic_id="31030" UNION SELECT * FROM gallery2 WHERE topic_id="1107744" UNION SELECT * FROM gallery2 WHERE topic_id="1193015" UNION SELECT * FROM gallery2 WHERE topic_id="1179904" UNION SELECT * FROM gallery2 WHERE topic_id="83556" UNION SELECT * FROM gallery2 WHERE topic_id="686335" UNION SELECT * FROM gallery2 WHERE topic_id="1077367" UNION SELECT * FROM gallery2 WHERE topic_id="732528" UNION SELECT * FROM gallery2 WHERE topic_id="756888"