Manhole shaft o...
Construction of...
Metal manhole o...
Preparation for...
Excavation cont...
Top view of men...
Monolithic fram...
Staring down an...
Sewage drainage...
Exit from the d...
insulated pipe....
detail of an in...
Sewage drainage...
Installation of...
Tower cranes co...
Inside cooling ...
Deep undergroun...
hole with concr...
Round drainage ...
A site for the ...
repair work and...
Replacement and...
View towards th...
gray concrete r...
Deep and long t...
Excavator plans...
The blue sky as...
Tunnel for drai...
View of a trenc...
Tunnel in the m...
Concrete constr...
Wooden frame fo...
Construction of...
Road constructi...
The sky and blu...
sewer construct...
A sewer well ex...
The sewer hatch...
A valve or valv...
A cloudy sky vi...
Sewer well on t...
cut the pipe we...
Monolithic fram...
The tunnel ceme...
Diggers in roun...
Concrete water ...
Manhole Road Co...
Building reinfo...
excavated drain...
