Which vast mangrove forest, straddling India and Bangladesh and shown in this photograph, is the largest tidal halophytic mangrove forest in the world and a critical tiger habitat?

• A Bhitarakanika mangroves
• B Pichavaram mangroves
• C Godavari mangroves
• D Sundarbans ✓

The Sundarbans, spanning West Bengal and Bangladesh, is the world's largest contiguous mangrove forest and a UNESCO World Heritage Site home to the Royal Bengal tiger.