Kim Jong Un said his country needs to deliver a “telling blow” to sanction-imposing countries by upping its efforts to create a self-supporting national economy.
Though embalming experts from the Russian lab have taught some techniques to North Korean scientists, they keep the core of the process a secret.
Despite relief that a bad deal was avoided, concerns remain on what the summit's collapse will mean for future nuclear diplomacy with North Korea.
On Thursday, the two leaders will hold more meetings and a joint agreement-signing ceremony, though what the agreement involves remains unknown.
Speculations are being made that North Korean leader Kim Jong Un’s visit is to show the US that he does have alternative economic and diplomatic options.
South Korea says it would be on board with the plan as a high-speed rail network could unlock trade and tourism in the peninsula by connecting it to Russia, China and beyond.
Japan is planning to bolster its systems for monitoring air activity by North Korea, which has performed ballistic missile tests over Japan in the past.
Singapore's small community of N. Koreans has kept a low profile in recent years as diplomatic pressure on their home country made working abroad increasingly difficult.