CMMC – January Pick a Topic: Trees and Sky 4 Replies Usery Mountain Regional Park, Mesa, Arizona. December 28, 2021. This month’s Midweek Madness Challenge Pick-a-Topic from Cee’s photo sent me searching for pictures of trees against the sky. Here are five I have taken in the last fourteen months. East Fork Boulder River Absaroka Range, Montana. May 12, 2021. Shiloh Conservation Area, Billings, Montana. May 7, 2021. Bald Cypress Trees, Reiman Gardens, Iowa State University, Ames, Iowa. April 13, 2021. Yellowstone River, Billings, Montana. December 19, 2020.