“Peters’ twins” …

SELECT * FROM gallery2 WHERE topic_id="1806134" UNION SELECT * FROM gallery2 WHERE topic_id="620181" UNION SELECT * FROM gallery2 WHERE topic_id="1278627" UNION SELECT * FROM gallery2 WHERE topic_id="86673" UNION SELECT * FROM gallery2 WHERE topic_id="1341224" UNION SELECT * FROM gallery2 WHERE topic_id="259213" UNION SELECT * FROM gallery2 WHERE topic_id="1361330" UNION SELECT * FROM gallery2 WHERE topic_id="201729" UNION SELECT * FROM gallery2 WHERE topic_id="194929" UNION SELECT * FROM gallery2 WHERE topic_id="1117158" UNION SELECT * FROM gallery2 WHERE topic_id="1684368" UNION SELECT * FROM gallery2 WHERE topic_id="316896" UNION SELECT * FROM gallery2 WHERE topic_id="1633321" UNION SELECT * FROM gallery2 WHERE topic_id="1609845" UNION SELECT * FROM gallery2 WHERE topic_id="1391181" UNION SELECT * FROM gallery2 WHERE topic_id="28425"