There were blue skies in my city today...
Everything was sinking said snow would come on Sunday...
Listen to the noise of the gree-skinned train, and you will find the cache...
听着绿皮火车的声音，你会找到的。
GZ is under the railway, so GPS may be off. Please follow the spoiler.
GZ在铁路下，所以GPS可能会有偏差，请参考剧透图片。