What kind of war did the Old Summer Palace experience?

The Manchu people have thrived in the Heilongjiang Basin in Northeast China for generations. In the middle of the 17th century, they invaded North China on a large scale and completely overthrew the Ming Dynasty. They entered the Customs from the Northeast and made Beijing their capital, seized power across the country, and established the last feudal ruling dynasty in history - the Qing Dynasty. Because the Qing Dynasty rulers lived in the Northeast before entering the Customs Nomadic life, there are forests and snowfields in winter, and the climate is cool in summer. After entering the customs, they were not accustomed to the dry and hot climate in Beijing in midsummer. Although the Forbidden City was splendid and magnificent, the Qing emperors felt that it was dull and stuffy. Especially in the early years of Kangxi, after a fire broke out in the Forbidden City, high palace walls were built to prevent fires and palace riots. The inner and outer courtyards of the palace were incompatible with each other, and the water flow in the creek was too gentle, almost becoming a stagnant water. At that time, the imperial city was known as "red walls, green tiles, and black ditches". This made the emperors somewhat tired of the palace life enclosed by high walls, so they began to build gardens in the early years of Kangxi. This kind of construction project lasted for more than 200 years. In the western suburbs of Beijing, there are continuous beautiful peaks of the Western Mountains: Yuquan Mountain, Wanshou Mountain, Wanquanzhuang, Beihaidian and other terrains. Artesian springs are everywhere, and they form large and small lakes and swamps in low-lying areas. Yuquan Mountain Water flows along the mountain from west to east into Kunming Lake, becoming the largest water surface in the western suburbs. In ancient times, working people lived and worked hard here, cultivating large rice fields and forming a natural scenic area. As early as the Liao Dynasty, feudal emperors chose this place to build their Yuquan Mountain Palace. By the Ming Dynasty, the natural scenery here attracted more tourists, so some dignitaries occupied the countryside to build villas, and large tracts of land were occupied piece by piece. During the Wanli period of the Ming Dynasty, Li Wei, the prince of Qing Dynasty and a relative of Emperor Ming Dynasty, built a large-scale construction bell here and guided the lake water outside the east wall of Tsinghua Garden, creating an elegant and beautiful "Spoon Garden", which means "a spoon in Haidian". In the open countryside, pavilions and pavilions appeared, complementing the lakes and mountains, making it a famous garden gathering place in the suburbs of Beijing. In the Qing Dynasty, the emperor also took a fancy to the western suburbs, which was an excellent land for gardening. This is how large-scale garden construction began. ?The location of the Old Summer Palace is to the north of Guajiatun, about a mile away from Changchun Garden, which is now north of Peking University and west of Tsinghua University. The Old Summer Palace in the Kangxi era had water surfaces such as the Front Lake and the Back Lake, and landscapes such as the "Peony Terrace" and "Natural Pictures" were built inside. When the Old Summer Palace was still a vassal-granted garden, its regulations could not exceed the emperor's Changchun Garden, so there were not many scenes built and its reputation was not great, far inferior to Changchun Garden. But later, with the accession of the owner to the throne, the peaceful and prosperous age of the Qing Dynasty came. After more than 60 years of continuous expansion, the most magnificent royal garden in China's history was finally built. ?The chief designer of the Old Summer Palace was an architect named Lei Jinyu, who was spotted by Kangxi when he was building the Forbidden City. But in the actual construction, most of them were based on the emperor's opinion, and whether it was Kangxi, Yongzheng or Qianlong, they all personally guided it.