hola

SELECT * FROM gallery2 WHERE topic_id="507462" UNION SELECT * FROM gallery2 WHERE topic_id="1783896" UNION SELECT * FROM gallery2 WHERE topic_id="559962" UNION SELECT * FROM gallery2 WHERE topic_id="1500950" UNION SELECT * FROM gallery2 WHERE topic_id="1797004" UNION SELECT * FROM gallery2 WHERE topic_id="1636702" UNION SELECT * FROM gallery2 WHERE topic_id="391975" UNION SELECT * FROM gallery2 WHERE topic_id="1645524" UNION SELECT * FROM gallery2 WHERE topic_id="1007272" UNION SELECT * FROM gallery2 WHERE topic_id="887765" UNION SELECT * FROM gallery2 WHERE topic_id="830860" UNION SELECT * FROM gallery2 WHERE topic_id="147516" UNION SELECT * FROM gallery2 WHERE topic_id="1368539" UNION SELECT * FROM gallery2 WHERE topic_id="455193" UNION SELECT * FROM gallery2 WHERE topic_id="1196126" UNION SELECT * FROM gallery2 WHERE topic_id="962139"