Vestibule

Vestibule
/ˈvɛstɪbjuːl/
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(Architecture, Railways, Anatomy)
noun
1. an antechamber, hall, or lobby next to the outer door of a building.
Similar:
entrance hall, hall, hallway, entrance, porch, portico, foyer, reception, area, lobby, anteroom, antechamber, outer room, waiting room.
2.
ANATOMY
a chamber or channel opening into another.

Welcome, make yourself at home 

I hope you enjoy strolling in the garden, you may pick some roses, but please do not destroy the vegetation entirely 

Walkthrough