Ten half-buried houses hidden from the outside world

Last month Dezeen featured Villa Aa, a concrete house in Norway made "invisible" by being nestled into a shallow hill. Here, we round up 10 other half-buried and underground homes partially hidden from the rest of the world.
Photo is by Sandra Pereznieto
Casa Aguacates, Mexico, by Francisco Pardo
Located on an avocado field sloping down to a forest in a rural lake town about two hours from Mexico City, this sunken home is accessed via an exterior staircase.
"The main idea was to have a view of t