Authorities gave 20th Century Fox permission to landscape Maya Bay, on Phi Phi Island by uprooting vegetation, levelling it and planting palm trees, which were removed after filming 12 months ago.

BBC: DiCaprio mania hits London

Richard Weber, an expert on airborne allergens at the National Jewish Medical and Research Centre in Denver, Colorado, notes that new homeowners insist on planting and watering foreign vegetation.

ECONOMIST: With drought and pollution, Arizona is full of sneezers

The volunteer trip includes two days of training, five days of straight-up volunteering think archaeological restoration tasks like removing unwanted vegetation near stone walls, restoration projects, planting trees followed by several days of exploration, guided tours and hikes.

FORBES: Best Do-Good Getaways To Book Now