C337 It's Only a Matter of Time Before You Succeed

The weather is sick today.

The sun had even set in the morning. It was warm, but in the afternoon, the temperature gradually dropped. First, the wind blew, then the snow blew, and in a short period of time, the snow turned into heavy snow...

The Observatory was located on a tall mountain. Because the road up the mountain had been repaired, it was very flat. However