C280 Sea Flower

"LNG transport ship, cool down the natural gas to -163 degrees Celsius..." Chen Chao pointed at the giant wheel and said with a smile, "It can contain more than two hundred thousand cubic metres of natural gas, which is enough for these yachts to use for more than five years!"

"And five years later?" I asked.

Chen Chao shook his head with a smile, he did not answer and still walked forward