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New York's Topography Challenges

New York's Topography Challenges

New York's Topography Challenges

Video

1:38

Alfred Beach's Subway Plan

Alfred Beach's Subway Plan

Alfred Beach's Subway Plan

Video

1:31

Constructing New York's First Subway

Constructing New York's First Subway

Constructing New York's First Subway

Video

1:23

The Pneumatic Subway

The Pneumatic Subway

The Pneumatic Subway

Video

1:53

Engineering in the Late 19th Century

Engineering in the Late 19th Century

Engineering in the Late 19th Century

Video

1:07

Danger in the Tunnels

Danger in the Tunnels

Danger in the Tunnels

Video

0:20

Powering New York's Subway System

Powering New York's Subway System

Powering New York's Subway System

Video

2:06

The Government's Plan

The Government's Plan

The Government's Plan

Video

1:06

Building Diversion Tunnels

Building Diversion Tunnels

Building Diversion Tunnels

Video

2:47

The High Scalers of Hoover Dam

The High Scalers of Hoover Dam

The High Scalers of Hoover Dam

Video

2:33

Rerouting the Colorado River

Rerouting the Colorado River

Rerouting the Colorado River

Video

0:44

Hoover Dam: Moving the Concrete

Hoover Dam: Moving the Concrete

Hoover Dam: Moving the Concrete

Video

2:59

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American Experience

Malcolm X Challenges Martin Luther King's Goals

Malcolm X challenges Martin Luther King's vision of equality, arguing that the majority of black people do not agree with his methods of peaceful resistance.