Facial expressions and gestures

Illustration of a man knocking on a door

This is an illustration of a man knocking on a door. This man knocks on the door before entering the room and seems to have permission to enter.

Illustration of a man knocking on a door

Illustration of a man knocking on a door

Illustration of a man knocking on a door

Illustration of a man knocking on a door

Illustration of a man knocking on a door

Illustration of a man knocking on a door

Illustration of a security guard (male)

Illustration of a security guard (woman) who maintains traffic

Illustration of a man knocking on a door