The azure sky stretched endlessly, the sun was working hard to release its warmth, yet under the dense canopy of trees, there was a coolness that emanated, occasionally interrupted by the sound of cicadas crossing the railroad tracks, falling deep into the forest.
Zhou Wang held a piece of branch and drew a shape on the ground in the woods, solemnly asking Ding Yi.
"If you are walking on a line like this, planning the route around a circular curve and protruding towards two equally elevated points, what are the main terrain features you pass through?"
"Huh?"
Ding Yi blinked her long-lashed eyes in confusion, carefully looking at the shape on the ground, only to find it odd and not matching any high school geography exam question she knew, leaving her somewhat perplexed.
"Is it a saddle? A ridge? A cliff doesn't seem quite right either... Sorry, I can't seem to see it."
"Dummy."
