A truck passes a segment of old railway at a construction site on section two of Kenya's Standard Gauge Railway project, near Voi, Kenya, on March 19, 2015. The project, expected to cost 3.8 billion U.S. dollars, involves the construction of about 480 kilometer railway line from the port city Mombasa to the capital city Nairobi.

 

 

Workers work on a construction site on section six of Kenya's Standard Gauge Railway project, near Makueni, Kenya, on March 16, 2015. The project, expected to cost 3.8 billion U.S. dollars, involves the construction of about 480 kilometer railway line from the port city Mombasa to the capital city Nairobi.

 

 

Bulldozers work at a construction site on section two of Kenya's Standard Gauge Railway project, companied with a segment of old railway, near Voi, Kenya, on March 19, 2015. The project, expected to cost 3.8 billion U.S. dollars, involves the construction of about 480 kilometer railway line from the port city Mombasa to the capital city Nairobi.

 

 

 

Workers work at the construction site of Tsavo River Bridge on section two of Kenya's Standard Gauge Railway project, near Voi, Kenya, on March 18, 2015. The project, expected to cost 3.8 billion U.S. dollars, involves the construction of about 480 kilometer railway line from the port city Mombasa to the capital city Nairobi.

 

 

A worker works at the T-beam factory on section six of Kenya's Standard Gauge Railway project, near Makueni, Kenya, on March 16, 2015. The project, expected to cost 3.8 billion U.S. dollars, involves the construction of about 480 kilometer railway line from the port city Mombasa to the capital city Nairobi.

 

 

Workers work at the T-beam factory on section six of Kenya's Standard Gauge Railway project, near Makueni, Kenya, on March 16, 2015. The project, expected to cost 3.8 billion U.S. dollars, involves the construction of about 480 kilometer railway line from the port city Mombasa to the capital city Nairobi.

 

 

A truck waits at a quarry to pick up stones on section six of Kenya's Standard Gauge Railway project, near Makueni, Kenya, on March 17, 2015. The project, expected to cost 3.8 billion U.S. dollars, involves the construction of about 480 kilometer railway line from the port city Mombasa to the capital city Nairobi.

 

 

 

An engineering truck parks at the sleeper factory on section six of Kenya's Standard Gauge Railway project, near Makueni, Kenya, on March 16, 2015. The project, expected to cost 3.8 billion U.S. dollars, involves the construction of about 480 kilometer railway line from the port city Mombasa to the capital city Nairobi.

 

 

A Chinese engineer, works with Kenyan workers at the T-beam factory on the section six of Kenya's Standard Gauge Railway project, near Makueni, Kenya, on March 16, 2015. The project, expected to cost 3.8 billion U.S. dollars, involves the construction of about 480 kilometer railway line from the port city Mombasa to the capital city Nairobi.

 

 

 

A gantry crane is seen at the T-beam factory on section six of Kenya's Standard Gauge Railway project, near Makueni, Kenya, on March 16, 2015. The project, expected to cost 3.8 billion U.S. dollars, involves the construction of about 480 kilometer railway line from the port city Mombasa to the capital city Nairobi.

 

 

 

A forklift works at the sleeper factory on section six of Kenya's Standard Gauge Railway project, near Makueni, Kenya, on March 16, 2015. The project, expected to cost 3.8 billion U.S. dollars, involves the construction of about 480 kilometer railway line from the port city Mombasa to the capital city Nairobi.

 

Chinese engineers work with their Kenyan colleagues at a construction site on section two of Kenya's Standard Gauge Railway project, near Voi, Kenya, on March 19, 2015. The project, expected to cost 3.8 billion U.S. dollars, involves the construction of about 480 kilometer railway line from the port city Mombasa to the capital city Nairobi.