Struggling to get their handcart through “Hole in the Rock” at the Lyndon B. Johnson National Grasslands are Caden Coon, Tanner Martin, Josh Waters, Hayden Woodall, Dianalyn Perkins, Melanie Morales, Chloe Bikman, Megan Sonneborn, Sam Cole, Rachel Reese, Brooke Woodland, Daren Perkins