This structure is built of sticks and reeds and created to be temporary housing for Hungarian shepherds. Sometimes the shepherds would take the portable shelter with them to their next resting site, and sometimes they would leave them for any other shepherd who came along later. See historic photos below.
This photo was taken in the 1930s in Hungary.
This photo was taken in 1937 inside a hut.
This photo, taken in 1968, shows a chicken coop.
These photos are on the Facebook page called
Az Igazmondo Juhasz,
which translates to "The Truthful Shepherd."
There are historic photos of Hungarian life on the Puszta_Pannonian_Steppe in the early to mid 20th century.