Work, new york, of course. New york is an international metropolis with many job opportunities. Washington is the seat of the federal government, and there is nothing but federal government agencies. It is too difficult for a foreigner to be a civil servant in the US federal government.

Life is also good for new york. New york is fashionable, prosperous and culturally prosperous. Washington is boring, and it is too hot in summer.

Travel, both cities are good, both are worth visiting.