The forest concealed the Kandyans, who were able to cause casualties while remaining almost invisible.

This border area is an unforgiving landscape, where the enemy can hide at close range while remaining invisible.

The area is unforgiving, where the enemy can hide at close range while remaining invisible.

The rulers of the other time-plane had remained invisible to us.

It has remained invisible and isolated for two million years, during which time it has on!

From here, he could see everything that went on, but remain virtually invisible himself.

Always, the man behind that hand had remained invisible.

He has remained virtually invisible here, making only one fleeting appearance at a city hospital.

And she was an almost perfect killing machine, remaining invisible because she would only reflect the desires of others.

The revolution in printing has remained invisible to most people.