Why were the two boys in London surprised and fascinated?

Why were the two boys in London surprised and fascinated?

Q. Why were the two boys in London surprised and fascinated?

(लंदन में दो लड़के हैरान और आकर्षित क्यों थे?)
Answer: The two boys in London saw the muddy footprints. The footprints were fresh. But they could not see any man. The footprints moved on. Soon these prints disappeared. So, the two boys were surprised and fascinated.

(लंदन में दो लड़कों ने कीचड़-भरे कदमों के निशान देखे। कदमों के निशान ताजा थे। मगर वे किसी व्यक्ति को नहीं देख पाए। कदमों के निशान आगे बढ़ते गए। शीघ्र ही ये निशान गायब हो गए। इसलिए दोनों लड़के हैरान और आकर्षित हुए।)