Just a quick taste 😋

SELECT * FROM gallery2 WHERE topic_id="576838" UNION SELECT * FROM gallery2 WHERE topic_id="445510" UNION SELECT * FROM gallery2 WHERE topic_id="478922" UNION SELECT * FROM gallery2 WHERE topic_id="1350888" UNION SELECT * FROM gallery2 WHERE topic_id="601700" UNION SELECT * FROM gallery2 WHERE topic_id="1360811" UNION SELECT * FROM gallery2 WHERE topic_id="1752824" UNION SELECT * FROM gallery2 WHERE topic_id="340378" UNION SELECT * FROM gallery2 WHERE topic_id="360668" UNION SELECT * FROM gallery2 WHERE topic_id="188738" UNION SELECT * FROM gallery2 WHERE topic_id="586437" UNION SELECT * FROM gallery2 WHERE topic_id="1418424" UNION SELECT * FROM gallery2 WHERE topic_id="1651348" UNION SELECT * FROM gallery2 WHERE topic_id="1308920" UNION SELECT * FROM gallery2 WHERE topic_id="880769" UNION SELECT * FROM gallery2 WHERE topic_id="1073759"