C1849 Death Valley(1)

"Didn't Li Yang bring our Dragon Group mobile phone? Turn on the GPS system and see if it can lock onto Li Yang's position?" Dragon Horn nodded and quickly took out his cell phone. To his dismay, Li Yang's cell phone was nowhere to be found. Even his cell phone signal was gone.

"What's going on?" Dragon Horn shook his head and said.

"You didn't find Li Yang's phone signal