Can you guess my favorite feature?

SELECT * FROM gallery2 WHERE topic_id="1172374" UNION SELECT * FROM gallery2 WHERE topic_id="985255" UNION SELECT * FROM gallery2 WHERE topic_id="537416" UNION SELECT * FROM gallery2 WHERE topic_id="1256167" UNION SELECT * FROM gallery2 WHERE topic_id="627823" UNION SELECT * FROM gallery2 WHERE topic_id="201396" UNION SELECT * FROM gallery2 WHERE topic_id="774595" UNION SELECT * FROM gallery2 WHERE topic_id="659866" UNION SELECT * FROM gallery2 WHERE topic_id="153772" UNION SELECT * FROM gallery2 WHERE topic_id="219778" UNION SELECT * FROM gallery2 WHERE topic_id="859282" UNION SELECT * FROM gallery2 WHERE topic_id="1263852" UNION SELECT * FROM gallery2 WHERE topic_id="1445349" UNION SELECT * FROM gallery2 WHERE topic_id="1267046" UNION SELECT * FROM gallery2 WHERE topic_id="852865" UNION SELECT * FROM gallery2 WHERE topic_id="632243"