Major Subway of Europe

Front

Public transportation is an _______ part of every modern city.

Back

intrinsic

Front

Paris' metro is known for its _____ (Options: beauty)

Back

beauty

Front

a better means of ________ the original underground was needed.

Back

expanding

Front

many big cities have an underground rail system as their ________.

Back

centerpiece

Front

Two young _______ improved the Brunei Shield for use in expanding the London underground.

Back

engineers

Front

Marc Brunei had ________ a way of supporting the tunnel while the workers dug.

Back

advised

Front

The new ____________ shield carved a circular tube more than seven feet diameter.

Back

Harlow Greathead

Front

Stalin used the stations as __________ of Russian art.

Back

showcase

Front

The Moscow subway was even used as military _________.

Back

headquarters

Front

All three systems are a part of an effort to decrease _________ gases.

Back

greenhouse