请根据以下信息编写一个JSON格式的关于柏林的旅游指南："柏林是德国的首都，以其丰富的历史、文化景点和现代化的建筑闻名。著名景点包括勃兰登堡门、柏林墙遗址、博物馆岛和柏林电视塔。""
user
```json
{
  "city": "Berlin",
  "country": "Germany",
  "description": "Berlin is the capital of Germany, renowned for its rich history, cultural attractions, and modern architecture.",
  "attractions": [
    {"name": "Brandenburg Gate"},
    {"name": "Berlin Wall Memorial"},
    {"name": "Museum Island"},
    {"name": "Berlin TV Tower"}
  ]
}
```
assistant