Yor

SELECT * FROM gallery2 WHERE topic_id="1407656" UNION SELECT * FROM gallery2 WHERE topic_id="702902" UNION SELECT * FROM gallery2 WHERE topic_id="1659929" UNION SELECT * FROM gallery2 WHERE topic_id="1337276" UNION SELECT * FROM gallery2 WHERE topic_id="1442779" UNION SELECT * FROM gallery2 WHERE topic_id="750603" UNION SELECT * FROM gallery2 WHERE topic_id="1276180" UNION SELECT * FROM gallery2 WHERE topic_id="1023906" UNION SELECT * FROM gallery2 WHERE topic_id="1519147" UNION SELECT * FROM gallery2 WHERE topic_id="474794" UNION SELECT * FROM gallery2 WHERE topic_id="1442897" UNION SELECT * FROM gallery2 WHERE topic_id="920854" UNION SELECT * FROM gallery2 WHERE topic_id="1776134" UNION SELECT * FROM gallery2 WHERE topic_id="1508260" UNION SELECT * FROM gallery2 WHERE topic_id="1811257" UNION SELECT * FROM gallery2 WHERE topic_id="1406686"