Typical

SELECT * FROM gallery2 WHERE topic_id="1707488" UNION SELECT * FROM gallery2 WHERE topic_id="1609031" UNION SELECT * FROM gallery2 WHERE topic_id="20674" UNION SELECT * FROM gallery2 WHERE topic_id="107657" UNION SELECT * FROM gallery2 WHERE topic_id="1060434" UNION SELECT * FROM gallery2 WHERE topic_id="1304455" UNION SELECT * FROM gallery2 WHERE topic_id="645055" UNION SELECT * FROM gallery2 WHERE topic_id="1081896" UNION SELECT * FROM gallery2 WHERE topic_id="1517069" UNION SELECT * FROM gallery2 WHERE topic_id="191346" UNION SELECT * FROM gallery2 WHERE topic_id="599275" UNION SELECT * FROM gallery2 WHERE topic_id="1792845" UNION SELECT * FROM gallery2 WHERE topic_id="1362524" UNION SELECT * FROM gallery2 WHERE topic_id="1564966" UNION SELECT * FROM gallery2 WHERE topic_id="1020896" UNION SELECT * FROM gallery2 WHERE topic_id="1578729"