20190626_162554 Šnipiškės: a triangular brick house
20190707_104929 Šnipiškės: three kinds of buildings
CIMG8056 Dry dock in Galveston
The structure in the center is, according to S, a dry dock -- a platform that is used to lift a ship out of the water to repair it. And those tall things of "lacy" metal are "legs" of oil rigs. When an oil rig is assembled, the "legs" are submerged under water.