They all climbed on to the top of the fence, and then suddenly there was a rumbling sound that made them look along the line to the right, where the dark mouth of a tunnel opened itself in the face of a rocky cliff; next moment a train had rushed out of the tunnel with a shriek and a snort, and had slid noisily past them. They felt the rush of its passing, and the pebbles on the line jumped and rattled under it as it went by.
“Oh!” said Roberta, drawing a long breath; “it was like a great dragon tearing by. Did you feel it fan us with its hot wings?”
“I suppose a dragon’s lair might look very like that tunnel from the outside,” said Phyllis.
But Peter said:—
“I never thought we should ever get as near to a train as this. It’s the most ripping sport!”
“Better than toy-engines, isn’t it
