A three man crew took a Chinese submersible to a depth of 22,800 feet in the Mariana Trench earlier this week, the record for that nation.
China isn’t only going up: A three man crew took a Chinese submersible to a depth of 22,800 feet in the Mariana Trench earlier this week, the record for that nation.
China isn’t only going up: A three man crew took a Chinese submersible to a depth of 22,800 feet in the Mariana Trench earlier this week, the record for that nation.