![Kiwi freediver William Trubridge has successfully swum the Cook Strait after nine hours in the 22-km journey. The freedive world champion left Wellington on Friday morning to swim to the South Island underwater using a special fin to raise awareness of critically endangered Hector\'s and Māui dolphins. (Photo/VCG)](http://www.ecns.cn/hd/2019/03/06/0983ac855cdd4343ba8ab9dc74124dc2.jpg)
Kiwi freediver William Trubridge has successfully swum the Cook Strait after nine hours in the 22-km journey. The freedive world champion left Wellington on Friday morning to swim to the South Island underwater using a special fin to raise awareness of critically endangered Hector's and Māui dolphins. (Photo/VCG)
![Kiwi freediver William Trubridge has successfully swum the Cook Strait after nine hours in the 22-km journey. The freedive world champion left Wellington on Friday morning to swim to the South Island underwater using a special fin to raise awareness of critically endangered Hector\'s and Māui dolphins. (Photo/VCG)](http://www.ecns.cn/hd/2019/03/06/f19d348beadd4fa68c5346cb22bdc3be.jpg)
Kiwi freediver William Trubridge has successfully swum the Cook Strait after nine hours in the 22-km journey. The freedive world champion left Wellington on Friday morning to swim to the South Island underwater using a special fin to raise awareness of critically endangered Hector's and Māui dolphins. (Photo/VCG)
![Kiwi freediver William Trubridge has successfully swum the Cook Strait after nine hours in the 22-km journey. The freedive world champion left Wellington on Friday morning to swim to the South Island underwater using a special fin to raise awareness of critically endangered Hector\'s and Māui dolphins. (Photo/VCG)](http://www.ecns.cn/hd/2019/03/06/c72a72fba9cb435a942aa2c8dccdbcb9.jpg)
Kiwi freediver William Trubridge has successfully swum the Cook Strait after nine hours in the 22-km journey. The freedive world champion left Wellington on Friday morning to swim to the South Island underwater using a special fin to raise awareness of critically endangered Hector's and Māui dolphins. (Photo/VCG)
![Kiwi freediver William Trubridge has successfully swum the Cook Strait after nine hours in the 22-km journey. The freedive world champion left Wellington on Friday morning to swim to the South Island underwater using a special fin to raise awareness of critically endangered Hector\'s and Māui dolphins. (Photo/VCG)](http://www.ecns.cn/hd/2019/03/06/52499dd308364bb283820df715b86eba.jpg)
Kiwi freediver William Trubridge has successfully swum the Cook Strait after nine hours in the 22-km journey. The freedive world champion left Wellington on Friday morning to swim to the South Island underwater using a special fin to raise awareness of critically endangered Hector's and Māui dolphins. (Photo/VCG)