Dhaka, April 4 -- The Sundarbans doesn't make survival easy-not for the tigers that stalk their tangled mangroves, not for the rivers that rewrite its shores with every monsoon, and certainly not for the people who call this wilderness home. But there's a raw, stubborn beauty in that struggle. This is where Bangladesh's last tigers hold on, and where, for decades, ordinary people have done extraordinary things to keep their roar alive.

Take 2013: twenty strangers including Danish Ambassador to Bangladesh Svend Olling, his son, students, entrepreneurs-piled onto cycle rickshaws and pedaled 400 kilometers from Teknaf, the southernmost tip of the country. It was arranged by WildTeam. Their mission? To drag the tiger's plight into the spotli...