Hanging out all day

SELECT * FROM gallery2 WHERE topic_id="20891" UNION SELECT * FROM gallery2 WHERE topic_id="1543511" UNION SELECT * FROM gallery2 WHERE topic_id="1081628" UNION SELECT * FROM gallery2 WHERE topic_id="1767261" UNION SELECT * FROM gallery2 WHERE topic_id="824914" UNION SELECT * FROM gallery2 WHERE topic_id="1260099" UNION SELECT * FROM gallery2 WHERE topic_id="1288056" UNION SELECT * FROM gallery2 WHERE topic_id="1568834" UNION SELECT * FROM gallery2 WHERE topic_id="1233108" UNION SELECT * FROM gallery2 WHERE topic_id="246651" UNION SELECT * FROM gallery2 WHERE topic_id="787099" UNION SELECT * FROM gallery2 WHERE topic_id="494258" UNION SELECT * FROM gallery2 WHERE topic_id="410503" UNION SELECT * FROM gallery2 WHERE topic_id="1061923" UNION SELECT * FROM gallery2 WHERE topic_id="788693" UNION SELECT * FROM gallery2 WHERE topic_id="1449951"