The correct answer should be Finland. He was hiding in Finland near his return to Petrograd, that is St. Petersburg. He decided to return to Russia when the Soviets gained a majority in Petersburg and he wore a disguise and crossed the border into Russia from Finland.
<h2>In fact, human blood is always a little bit green. We usally don't notice the green color of blood because there is typically so much more red light being reflected by the blood. ... The deeper you go in the ocean, the less red light there is in the sunlight that reaches you</h2>