1. Standing on the Great Wall, stepping on the square bricks at your feet and holding the stones on the wall, you will naturally think of the working people who built the Great Wall in ancient times.
analyse
This sentence is accurate, connecting the preceding with the following, and the transition is natural. The three verbs "stand, step and help" indicate that the author personally came to the Great Wall, and "naturally remember" indicates that the author was shocked by the majestic spirit of the Great Wall, and national pride and love for the working people came to life.
2. The blood, sweat and wisdom of many working people have condensed into the Great Wall of Wan Li, which has no head and no tail.
analyse
"How much" means countless, full of the author's infinite emotion; "No head before, no tail after" highlights the length of the Great Wall and echoes the beginning of "more than 13,000 miles"; The "talent" here shows how difficult it is to build the Great Wall. The whole sentence expresses the author's infinite admiration for the ancient working people.
Such a magnificent project is a miracle in the world calendar.
analyse
First of all, the Great Wall is very large ── the length of Wan Li is more than eight meters high and more than six meters thick, and it is cleverly set up. Then the project is very arduous ── all by manpower, so many heavy boulders, city walls and square bricks are transported to steep mountains, and the Great Wall is built among the mountains. It is rare in the history of the world to complete such a grand and arduous project more than two thousand years ago. Therefore, the Great Wall is a great miracle.