D3_citadel_04 for Teardown

"Tell me, Doctor Freeman, if you can: you have destroyed so much... What is it, exactly, that you have created? Can you name even one thing? I thought not."

Map d3_citadel_04 from Half-Life 2 in Teardown.

Map includes:
-map d3_citadel_04
-elevator with buttons
-soundscapes from hl2 (only loop sounds)