But later in the day, when there are clouds blocking Sun's rays, the weather would become cooler.

At times white fluffy clouds blocked its rays, then drifted on.

So this has led some scientists to wonder: What would it be like to block the sun's rays on a much larger scale?

The sun was rising against the eastern horizon, with no mountains to block its rays.

It was a ship, huge, square, floating in front of the life-giving sun and blocking its rays.

It is available in different densities so it can block the sun's rays.

The chemicals are believed to destroy ozone, which blocks the sun's harmful rays.

There are a number of devices available that can be fitted across the windows to block the sun's rays.

The trees and shrubs will block the sun's rays before they hit the house.

They can also keep your house cooler in the summer by blocking the sun's visible rays, thus preventing heat gain.