As winter progresses in Earth's northern hemisphere, Orion will rise earlier and so appear continually higher in the sky at sunset.
随着冬天降临到地球的北半球，猎户座将会升起得更早，日落之时将会出现在天空中更高的位置。
The photographer used the natural cave-like windows in the rock formations to frame his images like this one of a winter sunset.
这位摄影师利用岩层上状如洞穴的自然窗户将他要拍摄的风光框住。像这张冬日日落便是如此。
Usually they stayed awake three to four hours past sunset, with no light exposure other than the faint glow of a small fire that would keep animals away and provide a bit of warmth in the winter.
通常，他们在日落后三到四个小时里仍然清醒着，而且除了用以驱赶野生动物并在冬天聊以取暖的微弱火光之外，他们别无其他光源。
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