Geomorphs: Old Gears/Open Gears

This Map Monday, I've got two (non-atomic) geomorphs, because I couldn't decide which "O" word to to focus on, especially since the geomorph concepts are related. Geomorph G6 is "Open Gears", exposed gears that the explorers must walk around (on two different levels.) Some passages are blocked or dangerously narrow, to add a bit of frustration. There's also a narrow rope bridge directly above one set of gears. Geomorph G7 is "Old Gears": the same concept, but the gears are broken and possibly corroded. Who knows what will happen if the explorers repair them?