Here's a step-by-step process to construct a 60-meter-high cylindrical lighthouse using a tower crane and precast concrete:
Here's a step-by-step process to construct a 60-meter-high cylindrical lighthouse using a tower crane and precast concrete:
Here's a step-by-step process to construct a 60-meter-high cylindrical lighthouse using a tower crane and precast concrete:
an aerial view of a lighthouse under construction
a white tower with a crane on top of it
a lighthouse is being built in the middle of a field
two pictures of a lighthouse that is being built