![](http://www.ecns.cn/hd/2023/06/21/cdb2b2b8b79146ae82ee20f69206fb6d.jpg)
The Titan submersible, operated by OceanGate Expeditions to explore the wreckage of the sunken Titanic off the coast of Newfoundland, dives in an undated photograph. (Photo/ICphoto)
A small submarine carrying 5 tourists to a legendary wreckage, the Titanic, has gone missing off the east coast of Canada on Monday.
![](http://www.ecns.cn/hd/2023/06/21/ad4ef58fe9a74a8b952933abb4a847b9.jpg)
The Titan submersible, operated by OceanGate Expeditions to explore the wreckage of the sunken Titanic off the coast of Newfoundland, dives in an undated photograph. (Photo/ICphoto)
![](http://www.ecns.cn/hd/2023/06/21/cc331d2aa34c4e7691a90dd629df59e0.jpg)
Photo shows the OceanGate Expeditions submersible vessel named Titan used to visit the wreckage site of the Titanic. (Photo/ICphoto)