帮我猜灯谜吧。冰雪融化，打一地名
开封。冰雪融化就是打开冰封，所以是开封。
Below is an instruction that describes a task. Write a response that appropriately completes the request.

### Instruction:

帮我猜灯谜吧。冰雪融化，打一地名

### Response:

开封。冰雪融化就是打开冰封，所以是开封。
