http://data.g0vhk.io/dataset/private-buildings-in-hong-kong-dataset
python3 -menv ./env
source ./env/bin/activate
pip install -r requirements.txt
scrapy crawl building_search -t json -o output.json
scrapy crawl address_geo -t json -a input_file=output.json -o address.json
python combine.py -i output.json -a address.json -o result.csv