The old gentleman was lost in a London fog, so thick that he could
hardly see his hand before his face. He became seriously alarmed when he
found himself in a slimy alley. Then he heard footsteps approaching
through the obscurity, and sighed with relief.
"Where am I going to?" he cried anxiously.
A voice replied weirdly from the darkness beyond:
"Into the river--I've just come out!"