This is the 5350th most frequent Russian word.
откроется
"Откроется" means "will open" or "will be revealed."
The word 'откроется' is used in the context of planning for the future when an establishment begins operation.
Когда музей откроется, мы сможем увидеть новую экспозицию.
When the museum opens, we will be able to see the new exhibition.
Here, 'откроется' describes an unexpected action of an object (a door) opening independently.
Если дверь сама откроется, мы должны быть осторожны.
If the door opens by itself, we need to be cautious.
In this sentence, 'откроется' metaphorically implies something being revealed or accessible.