Now, in the jungle gloom of my Siem Reap hotel room, a glimmer of understanding grew.

BBC: Piecing together puzzles in Cambodia

The old front on Beach Road long ago lost sight of the sea and the hotel itself nearly disappeared in a concrete jungle of new hotels and office blocks.

ECONOMIST: Pukkah hotels

Building a hotel in the treetops is hardly a new idea: Brazil's Ariau Amazon Towers Hotel has been inviting guests to explore the jungle canopy from its rooms since the mid-1980s.

CNN: 7 deluxe tree-house hotels