The valley in the distance

In 1963, when we were conducting the second line of Yingtan-Xiamen railroad survey, the line crossed the Wuyi Mountain Range, which runs north-south.

Wuyi Mountains are famous, and before arriving at Wuyi Mountains, we only knew it as a famous tourist area and a dual world cultural and natural heritage. Further understanding, Wuyi Mountain is also China's key nature reserves, the best protected and most species-rich ecosystem in the same latitude of the earth , with 2527 plant species, nearly 5000 species of wildlife.

There are many descriptions of the wildlife in Wuyi Mountain: a paradise for birds, a world of insects, a kingdom of snakes, and a paradise for beasts. Being there, we felt the beautiful scenery and fresh air of Wuyi Mountain, and the green and verdant shade of the mountains.

We worked in the late summer and early autumn. We were a survey team of 10 people living in a small village on the western slope of the ridge, and one day, we were ready to move to the village of Xiaohekou on the eastern slope of the ridge. We got up early in the morning, tied up our luggage, and hired some local villagers to transport the luggage to Xiaohekou village. The old folks took the mountain path, and had to take many detours.

That day, I was with a young technical staff, to the ridge section of the geological survey, and the countryside is not a road, we are walking along the ditch of a small road leading to the pass, while walking the road investigation, at first, the survey work is relatively smooth. But to the pass, from the east slope down to the foot of the slope no road, the slope is steep, we had to grab the branches of the shrubs and thatch to slide down. By the time we reached the bottom of the gully, we were already sweaty and exhausted. We sat down on a small rock next to a boulder to rest.

After resting for a while, we found that the scenery nearby was beautiful -

Both sides of the green shade, can not see the turquoise blue sky. Looking downstream from the head of the ditch, it looked like a green tunnel - a tunnel made of dark green tree branches and leaves. Except for fir trees and bamboo trees, there are no other trees that can be named. The ground is full of small grasses with gorgeous flowers, which is lovely!

The springs around the area tinkled and trickled into a small ditch. The gurgling water in the ditch, clear and smooth, caressing the river pebbles and passed. The pebbles are granite of various colors, bright and coordinated.

The scenery is so refreshing.

Along the way, the valley was narrow and the forest covered the sky, and we walked in a green tunnel with a feeling of an earthly wonderland and a fairy tale world. We could occasionally look up and see birds with their heads held high and long tails jumping around among the branches and leaves, but we couldn't tell what kind of birds they were. The birds' melodious voice is really moving; there is also the cicada's chirp, which is different from the birds' tiny chirp, but is a loud, continuous and tireless chirp. The chirping is like the sound of a flute and a shawm all day long, regardless of everything.

The swishing sound of the breeze rubbing the branches and leaves is so casual and comfortable.

From the spring tinkling, to the sound of bubbling water, followed by the sound of clattering water, the amount of water from small to large, the sound is getting bigger and bigger ...... as if to tell mankind, do not despise their power, do not break their laws, otherwise, it is to pay the price.

As we walked, we listened intently to the sound of wind, birds, cicadas, springs and water, the sonata - the original sonata of nature.

In the sparse foliage, the sunlight penetrates through the canopy of the trees, braking the lighting in the green tunnel, dressing the tunnel with light, full of illusion, like the feeling of a stage lighting set.

The original sonata, with the original ecological scene, its sense of reality and intoxication, far better than the performance effect of stage music in big cities. Not only is it difficult for the vocal tone of the performance to reflect the reality of nature, the set is also false. Not to mention the fact that hundreds of audience members are crammed together and have some difficulty even moving, which can compare to the freedom to enjoy it live!

Nature's performance does not need a conductor to conduct, the content and tone of the performance automatically changes with different locations; the scene is moving to change the scene, and the content of the performance is very harmonious, unlike the concert hall set, is artificial, is false.

But, after all, we are not here specifically to listen to sonatas and view the scenery, we are here to work.

It was about 10 kilometers from the source to our new place of residence, the village of Xiaohekou. Our main task was to estimate the depth of weathering. Along the way, we could not see the exposed fresh granite, so we could only estimate the weathering depth according to the degree of granite weathering, and the work was not considered intense.

The day was relaxing and the surroundings were beautiful. We were always in the environment of working, enjoying the beauty and listening to the original sonata.

Before we knew it, night fell and we arrived near the village of Xiaohekou, our new place of residence, located at the confluence of two streams. On a flat land formed by terraces, there lived a dozen families, with some rice paddies, ponds, vegetable fields, fruits and vegetables. A dozen families, depending on these gifts given by the Master of the Land, lived on.

When we enter the village, the sonata of the day is replaced by the sound of crickets and frogs in the pond. The chirping and squeaking of crickets and the croaking of frogs is another kind of music, which can be called serenade and dream song. More precisely, it is a lullaby, a lullaby.

After a long day of fatigue, we ate dinner, wiped our feet, lying in bed, hearing the ensemble of crickets and frogs around, I could not help but think of Schumann's Fantasia, Schubert's Serenade and Brahms' Lullaby ...... I could not help but hum Schumann's Fantasia. Humming while listening to nature's original serenade, fantasia and lullaby, no matter what it's called, it's a lullaby anyway, so you'll soon be in dreamland.

In the dream, a scene from the daytime appears in the mind from a new one, like a montage strung together, as we stroll through the green tunnel ......