The idea of the architectural structure of the windowThe idea of the architectural structure of the window
The internal structure of the workshop at the factoryThe internal structure of the workshop at the factory
The transience of movement on the blurred background of the tunnelThe transience of movement on the blurred background of the tunnel
A geometric figure or a high-rise in a modern styleA geometric figure or a high-rise in a modern style
Твёрдый серебристый металл, соединение железа с определённым количеством углерода.