Natalia what do you think

SELECT * FROM gallery2 WHERE topic_id="577338" UNION SELECT * FROM gallery2 WHERE topic_id="949737" UNION SELECT * FROM gallery2 WHERE topic_id="834586" UNION SELECT * FROM gallery2 WHERE topic_id="1333221" UNION SELECT * FROM gallery2 WHERE topic_id="1661802" UNION SELECT * FROM gallery2 WHERE topic_id="1378132" UNION SELECT * FROM gallery2 WHERE topic_id="757573" UNION SELECT * FROM gallery2 WHERE topic_id="884280" UNION SELECT * FROM gallery2 WHERE topic_id="835586" UNION SELECT * FROM gallery2 WHERE topic_id="1748991" UNION SELECT * FROM gallery2 WHERE topic_id="499413" UNION SELECT * FROM gallery2 WHERE topic_id="829479" UNION SELECT * FROM gallery2 WHERE topic_id="402360" UNION SELECT * FROM gallery2 WHERE topic_id="1093132" UNION SELECT * FROM gallery2 WHERE topic_id="139839" UNION SELECT * FROM gallery2 WHERE topic_id="1639939"