请给出五个中国的著名建筑及其地点，用json格式表示。
user
```json
{
  "famous_buildings": [
    {
      "name": "长城",
      "location": "北京"
    },
    {
      "name": "故宫",
      "location": "北京"
    },
    {
      "name": "兵马俑",
      "location": "西安"
    },
    {
      "name": "布达拉宫",
      "location": "拉萨"
    },
    {
      "name": "东方明珠塔",
      "location": "上海"
    }
  ]
}
```
assistant