The industrial area is very noisy during the day.

After a long day of work, he likes to wander around the city streets to relax.

The erogenous zone varies from person to person.

The pedestrian precinct is very pleasant for a stroll.

The exclusion zone is off-limits.

Earth is in the habitable zone of the solar system.

The grey area between good and evil is often difficult to define.

The buffer zone is essential for protecting the environment.

Russia exerts a strong sphere of influence in the region.

The zona pellucida surrounds the ovum and plays a crucial role in fertilization.