task three~ links

https://en.wikipedia.org/wiki/São_Paulo

http://www.aeroportoguarulhos.net/en/

https://en.wikipedia.org/wiki/São_Paulo_Metro

https://theculturetrip.com/south-america/brazil/articles/7-reasons-sao-paulo-is-the-worlds-top-business-hub/

https://en.wikipedia.org/wiki/B3_(stock_exchange)

https://theculturetrip.com/south-america/brazil/articles/nine-masterpieces-to-find-in-the-sao-paulo-museum-of-art/

https://riotimesonline.com/brazil-news/rio-politics/ten-million-have-no-sewage-system-in-brazils-northeastern-region/

http://time.com/4054262/drought-brazil-video/

https://geographyfieldwork.com/SaoPauloManagement.htm