beautiful arches in wedges

SELECT * FROM gallery2 WHERE topic_id="1162307" UNION SELECT * FROM gallery2 WHERE topic_id="826838" UNION SELECT * FROM gallery2 WHERE topic_id="644560" UNION SELECT * FROM gallery2 WHERE topic_id="875717" UNION SELECT * FROM gallery2 WHERE topic_id="304443" UNION SELECT * FROM gallery2 WHERE topic_id="1010238" UNION SELECT * FROM gallery2 WHERE topic_id="1185865" UNION SELECT * FROM gallery2 WHERE topic_id="1610243" UNION SELECT * FROM gallery2 WHERE topic_id="1602387" UNION SELECT * FROM gallery2 WHERE topic_id="1352804" UNION SELECT * FROM gallery2 WHERE topic_id="830471" UNION SELECT * FROM gallery2 WHERE topic_id="1086641" UNION SELECT * FROM gallery2 WHERE topic_id="1559553" UNION SELECT * FROM gallery2 WHERE topic_id="1409374" UNION SELECT * FROM gallery2 WHERE topic_id="1676987" UNION SELECT * FROM gallery2 WHERE topic_id="22944"