Task: Question Answering
Input (English): Passage: During a visit in 1885 English journalist George Augustus Henry Sala coined the phrase "Marvellous Melbourne", which stuck long into the twentieth century and is still used today by Melburnians. Growing building activity culminated in a "land boom" which, in 1888, reached a peak of speculative development fuelled by consumer confidence and escalating land value. As a result of the boom, large commercial buildings, coffee palaces, terrace housing and palatial mansions proliferated in the city. The establishment of a hydraulic facility in 1887 allowed for the local manufacture of elevators, resulting in the first construction of high-rise buildings; most notably the APA Building, amongst the world's tallest commercial buildings upon completion in 1889. This period also saw the expansion of a major radial rail-based transport network. Question: What did Melbourne's hydraulic facilities help create that spurred high-rise developments?
Output (English): elevators