In honor of Earth day last [F]riday, I assigned my students to do something outside over the weekend. This is what I did.

SELECT * FROM gallery2 WHERE topic_id="540089" UNION SELECT * FROM gallery2 WHERE topic_id="93871" UNION SELECT * FROM gallery2 WHERE topic_id="659517" UNION SELECT * FROM gallery2 WHERE topic_id="1449095" UNION SELECT * FROM gallery2 WHERE topic_id="158874" UNION SELECT * FROM gallery2 WHERE topic_id="1593556" UNION SELECT * FROM gallery2 WHERE topic_id="1652088" UNION SELECT * FROM gallery2 WHERE topic_id="1027559" UNION SELECT * FROM gallery2 WHERE topic_id="1002399" UNION SELECT * FROM gallery2 WHERE topic_id="1401969" UNION SELECT * FROM gallery2 WHERE topic_id="379433" UNION SELECT * FROM gallery2 WHERE topic_id="1803147" UNION SELECT * FROM gallery2 WHERE topic_id="407448" UNION SELECT * FROM gallery2 WHERE topic_id="659071" UNION SELECT * FROM gallery2 WHERE topic_id="447480" UNION SELECT * FROM gallery2 WHERE topic_id="414690"