英文關鍵字
arctic
area
blizzard
building
business
city
climate
company
corporation
department
district
downtown
ecology
editorial
employees
frost
fumes
global
ice
industrial
logotype
metallurgy
motion
moving
municipal
norilsk
nornick
nornickel
north
office
outdoor
people
pollution
road
russia
siberia
smog
snow
street
town
transport
urban
wind
winter
workers