Environmental changes have a direct impact on human life, so human attention to nature has extended to the world. As long as we have a positive attitude, we can be more optimistic. A bright future does not only require people to simply protect the environment, but to maximize invention and innovation and adopt advanced technologies to maintain a harmonious and happy life.
The top of the mountain was covered with snow and reflected in the mirror-like lake. Pure, fresh air passed over the pine forest. The sun's rays warmed the green fields. This is what our earth used to be, and it should be what it should have been. Window screens should also realize the self-regulation of warm in winter and cool in summer, and also pursue the functions of heat insulation and one-way perspective.