C335 Challenge Letter

Bamboo thought about it and fell asleep sweetly. After an unknown period of time, there was a loud bang. It woke her up in an instant. She got up to take a look. Her brother, Lan Tian, had already stopped. This final collision had turned the mountain into a cave. It was seven or eight meters deep.

"Brother!" Bamboo shouted and ran down with her arms wide open. It was dark and she ran so fast