2024年8月，拥有自由潜水证的张哲瀚在汤加追鲸，潜水时不仅被鱼群环绕，还幸运的见到了白化大翅鲸。

In August 2024, Zhang Zhehan, who holds a freediving certificate, went whale chasing in Tonga. While diving, he was not only surrounded by schools of fish but also had the luck of encountering an albino humpback whale.