"Forty-seven degrees, 0.43 meters, indentation of 3.9, suitable for climbing."
"Twenty-two degrees, 0.21 meters, protruding by 5.5, suitable for stepping on. Prone to collapse, immediate transfer needed."
In the silent, foggy valley, Lu Yunan's guiding voice echoed.
Li Ang, with his eyes closed, gripped the rock crevices firmly with his fingertips, crawling up the nearly vertical cliff face.
Lu Yunan lay on his back, the two of them bound tightly together with an abundance of ropes and cloth.
Their teamwork was seamless. Initially, Lu Yunan had to meticulously describe the position and shape of each rock she saw. Later, she only needed to state the rock coordinates for him to climb steadily.
"Three, two, one."
Li Ang leaped forcefully toward the upper left, grabbing hold of a protruding rock with both hands to support their combined weight.
