![A catamaran vessel takes tourists from Teknaf to St Martin's Island, belching black smoke on the way. Cox's Bazar, Bangladesh Stock Photo - Alamy A catamaran vessel takes tourists from Teknaf to St Martin's Island, belching black smoke on the way. Cox's Bazar, Bangladesh Stock Photo - Alamy](https://c8.alamy.com/comp/R5Y3Y8/a-catamaran-vessel-takes-tourists-from-teknaf-to-st-martins-island-belching-black-smoke-on-the-way-coxs-bazar-bangladesh-R5Y3Y8.jpg)
A catamaran vessel takes tourists from Teknaf to St Martin's Island, belching black smoke on the way. Cox's Bazar, Bangladesh Stock Photo - Alamy
![A catamaran vessel takes tourists from Teknaf to St Martin's Island, belching black smoke on the way. Cox's Bazar, Bangladesh Stock Photo - Alamy A catamaran vessel takes tourists from Teknaf to St Martin's Island, belching black smoke on the way. Cox's Bazar, Bangladesh Stock Photo - Alamy](https://c8.alamy.com/comp/R5Y3D2/a-catamaran-vessel-takes-tourists-from-teknaf-to-st-martins-island-belching-black-smoke-on-the-way-coxs-bazar-bangladesh-R5Y3D2.jpg)
A catamaran vessel takes tourists from Teknaf to St Martin's Island, belching black smoke on the way. Cox's Bazar, Bangladesh Stock Photo - Alamy
![Ferry boat of Bay of Bengal smoke coming from its chimney. Black exhaust fumes coming from the chimney of a moored tanker after main engine ignition Stock Photo - Alamy Ferry boat of Bay of Bengal smoke coming from its chimney. Black exhaust fumes coming from the chimney of a moored tanker after main engine ignition Stock Photo - Alamy](https://c8.alamy.com/comp/R5Y3YM/a-catamaran-vessel-takes-tourists-from-teknaf-to-st-martins-island-belching-black-smoke-on-the-way-coxs-bazar-bangladesh-R5Y3YM.jpg)