Can you spot the surprise?

SELECT * FROM gallery2 WHERE topic_id="1474316" UNION SELECT * FROM gallery2 WHERE topic_id="1774495" UNION SELECT * FROM gallery2 WHERE topic_id="1014456" UNION SELECT * FROM gallery2 WHERE topic_id="940861" UNION SELECT * FROM gallery2 WHERE topic_id="1145573" UNION SELECT * FROM gallery2 WHERE topic_id="1318332" UNION SELECT * FROM gallery2 WHERE topic_id="1685862" UNION SELECT * FROM gallery2 WHERE topic_id="1816000" UNION SELECT * FROM gallery2 WHERE topic_id="1759249" UNION SELECT * FROM gallery2 WHERE topic_id="915632" UNION SELECT * FROM gallery2 WHERE topic_id="456413" UNION SELECT * FROM gallery2 WHERE topic_id="499899" UNION SELECT * FROM gallery2 WHERE topic_id="1761984" UNION SELECT * FROM gallery2 WHERE topic_id="146242" UNION SELECT * FROM gallery2 WHERE topic_id="1187670" UNION SELECT * FROM gallery2 WHERE topic_id="1765723"