Is the polar diving activity compulsory? No, polar diving is not a compulsory activity. This activity is as a supplement on select voyages and is offered for divers with suitable cold-water and dry suit experience. 这篇文章对您有帮助吗？ 是 or 没有 找不到您想要的答案？ 联系方式 请联系我们的支持团队，我们会尽快给您回复。
