The night gradually faded. There was a layer of a light gray mist that flowed between the heavens and the earth, preventing people from looking beyond the distance.
Rhythmic voices sounded on the empty beach. Twenty-two young men, dressed in heavy lead clothes, ran on the beach. Based on the depth which the sand sunk under their feet, it was apparent that it weighed hundreds of catty, completely out of proportion with their body weight of only one hundred and forty catty.
"Lin Feng, do you think that the Captain will reach a depth of four hundred meters today?" Yu Xiao puffed out a white breath, as he looked towards the direction of the sea curiously.
