...I just happened to pass the open door to the shower-room and glance in and was captivated by the jugs on the windowsill silhouetted against the blue-hour sky.
@yrhenwr I was actually on my way to my office with the memory card in my hand when I spotted this so I did a 180, put it back in the camera and snapped off a couple of shots... job done, apart from a little PS work to deal with colour noise in the shadows.