Here's why:

* The Earth's Tilt: The Earth's axis is tilted at approximately 23.5 degrees. This tilt causes the poles to receive sunlight at a very shallow angle for much of the year.

* Longer Path: Sunlight has to travel through more atmosphere to reach the poles, meaning it's scattered and absorbed more, leading to less intensity.

* Shorter Days: The poles experience periods of extreme day and night length. During winter, they receive very little direct sunlight.

This low-angle, indirect sunlight results in:

* Cooler Temperatures: Less direct sunlight means less energy reaches the surface, leading to colder temperatures.

* Longer Shadows: The low angle of the sun creates longer shadows.

* Different Colors: The scattered light can make the sky appear more vibrant with colors like purple and pink.

So, while the poles do receive sunlight, it's significantly different from the sunlight experienced closer to the equator.