US, July 27 -- Russian leisure airline Nordwind successfully landed in Pyongyang on Monday morning, marking the first direct flight between Moscow and North Korea's capital city in over 75 years.Up till now, the sole direct air air service between Russia and North Korea linked Pyongyang with Vladivostok, a port city in Russia's Far East, and was flown by the North Korean state airline, Air Koryo. The reinstatement of regular flights between the two capitals - which had been suspended for over 75 years - indicates a strengthening of diplomatic relations, according to officials.This month, Nordwind obtained an approval to commence operations on the new route, intending to provide one round-trip flight each month. The first flight, operating w...