Another heavy hint has come from the Russian government that major tax incentives will get the go-ahead despite reservations by some power-brokers.
Amur tigress orphaned in 2012 and released after rehabilitation a year later pictured with her cubs in Bastak Nature Reserve.
Sakhalin or the Kuril Islands could become a wealthy offshore haven.
Memorandum of understanding will see construction of major projects including new refinery and upgrade to port.
Aircraft had been flying as part of a test flight following an engine change when it came down.
The French-built 'Vladivostok' is at the centre of a dispute over sanctions.
Concerns that the wild predators are coming closer to cities and settlements in Russian Far East.
Plans to develop Russky Island as 'a model advanced development area'.