Complex sentence: The shipyard is also notable for the "Goliath" crane, at one point the second largest shipbuilding crane in the world, constructed in the 1970s for building LNG tankers, and a prominent part of the harbor skyline.
Split into simpler sentences: The shipyard is also notable for the "Goliath" crane, at one point the second largest shipbuilding crane in the world. Constructed in the 1970s for building LNG tankers, the crane is a prominent part of the harbor skyline.