dive in

SELECT * FROM gallery2 WHERE topic_id="1789840" UNION SELECT * FROM gallery2 WHERE topic_id="760983" UNION SELECT * FROM gallery2 WHERE topic_id="1582721" UNION SELECT * FROM gallery2 WHERE topic_id="116785" UNION SELECT * FROM gallery2 WHERE topic_id="1497229" UNION SELECT * FROM gallery2 WHERE topic_id="1481496" UNION SELECT * FROM gallery2 WHERE topic_id="1304581" UNION SELECT * FROM gallery2 WHERE topic_id="1564115" UNION SELECT * FROM gallery2 WHERE topic_id="1390405" UNION SELECT * FROM gallery2 WHERE topic_id="1652906" UNION SELECT * FROM gallery2 WHERE topic_id="1587191" UNION SELECT * FROM gallery2 WHERE topic_id="371030" UNION SELECT * FROM gallery2 WHERE topic_id="631949" UNION SELECT * FROM gallery2 WHERE topic_id="889328" UNION SELECT * FROM gallery2 WHERE topic_id="1430890" UNION SELECT * FROM gallery2 WHERE topic_id="1341782"