This picture taken on March 11, 2016 shows a worker handling curved concrete segments to be attached to form the inner surface of a tunnel being dug...
This picture taken on March 8, 2016 shows a worker sitting at an end of a tunnel under construction along the current extension of the Metropolitan...
This picture taken on March 11, 2016 shows a worker standing on curved concrete segments to be attached to form the inner surface of a tunnel being...
This picture taken on March 11, 2016 shows workers handling curved concrete segments to be attached to form the inner surface of a tunnel being dug...
This picture taken on March 11, 2016 shows workers moving forward curved concrete segments to be attached to form the inner surface of a tunnel under...
This picture taken on March 11, 2016 shows engineers checking the parametres of the Tunnel Boring Machine used to dig a tunnel under construction...
This picture taken on March 11, 2016 shows workers checking alignments in a tunnel under construction along the current extension of the Metropolitan...
This picture taken on March 11, 2016 shows a worker walking in a tunnel under construction along the current extension of the Metropolitan Rapid...
This picture taken on March 11, 2016 shows a worker using a hose as he clears soil from a tunnel under construction along the current extension of...
This picture taken on March 8, 2016 shows a worker walking in a tunnel under construction along the current extension of the Metropolitan Rapid...
This picture taken on March 11, 2016 shows labourers working in a tunnel under construction along the current extension of the Metropolitan Rapid...
This picture taken on March 8, 2016 shows a worker sitting at an end of a tunnel under construction along the current extension of the Metropolitan...
This picture taken on March 29, 2016 shows a construction site along the current extension of the Metropolitan Rapid Transit subway 'Blue Line' into...
This picture taken on March 11, 2016 shows workers attaching together curved concrete segments to form the inner surface of a tunnel being dug by a...
This picture taken on March 11, 2016 shows a worker attaching together curved concrete segments to form the inner surface of a tunnel being dug by a...
This picture taken on March 11, 2016 shows workers sitting on curved concrete segments to be attached to form the inner surface of a tunnel being dug...
This picture taken on March 11, 2016 shows a worker preparing curved concrete segments to be attached to form the inner surface of a tunnel being dug...
This picture taken on March 11, 2016 shows workers preparing curved concrete segments to be attached to form the inner surface of a tunnel being dug...
This picture taken on March 11, 2016 shows workers handling curved concrete segments to be attached to form the inner surface of a tunnel being dug...
This picture taken on March 11, 2016 shows workers preparing curved concrete segments to be attached to form the inner surface of a tunnel being dug...
This picture taken on March 11, 2016 shows workers preparing curved concrete segments to be attached to form the inner surface of a tunnel being dug...
This picture taken on March 11, 2016 shows workers preparing curved concrete segments to be attached to form the inner surface of a tunnel being dug...
This picture taken on March 11, 2016 shows a worker standing on curved concrete segments to be attached to form the inner surface of a tunnel being...
This picture taken on March 11, 2016 shows workers preparing curved concrete segments to be attached to form the inner surface of a tunnel being dug...
This picture taken on March 11, 2016 shows workers preparing curved concrete segments to be attached to form the inner surface of a tunnel being dug...
This picture taken on March 11, 2016 shows workers preparing curved concrete segments to be attached to form the inner surface of a tunnel being dug...
This picture taken on March 11, 2016 shows workers preparing curved concrete segments to be attached to form the inner surface of a tunnel being dug...
This picture taken on March 11, 2016 shows workers preparing curved concrete segments to be attached to form the inner surface of a tunnel being dug...
This picture taken on March 11, 2016 shows workers preparing curved concrete segments to be attached to form the inner surface of a tunnel being dug...
This picture taken on March 11, 2016 shows labourers working in a tunnel under construction along the current extension of the Metropolitan Rapid...
This picture taken on March 11, 2016 shows labourers working in a tunnel under construction along the current extension of the Metropolitan Rapid...
This picture taken on March 11, 2016 shows labourers working in a tunnel under construction along the current extension of the Metropolitan Rapid...
This picture taken on March 11, 2016 shows labourers working in a tunnel under construction along the current extension of the Metropolitan Rapid...
This picture taken on March 11, 2016 shows labourers working in a tunnel under construction along the current extension of the Metropolitan Rapid...
This picture taken on March 11, 2016 shows labourers working in a tunnel under construction along the current extension of the Metropolitan Rapid...
This picture taken on March 11, 2016 shows labourers working in a tunnel under construction along the current extension of the Metropolitan Rapid...
This picture taken on March 11, 2016 shows labourers working in a tunnel under construction along the current extension of the Metropolitan Rapid...
This picture taken on March 8, 2016 shows a worker walking in a tunnel under construction along the current extension of the Metropolitan Rapid...
Security guard smokes a cigarette as he takes a break outside Hua Lamphong Metropolitan Rapid Transit station in Bangkok, Thailand, on Wednesday,...
