Max raised the other above his head.
He was trying if he could touch anything which would satisfy him that they were really drifting through a tunnel.
But he could not reach anything. If he really were in a subterranean cave or passage, the roof was too lofty for him to reach.
On went the boat, its speed gradually increasing.
Its occupants were victims of fate.
They were without paddle or oar, and had positively no means of guiding or directing the boat.
Ibrahim put his hand into the water, and exclaimed:
“It is hot!”
Max repeated the experiment, and found that the water was many degrees warmer than it had been.
“What do you make of it?” Max asked.