Let's take a look at what's going on in 'The World Now'.
We start off in Russia, where the Russian Northern Fleet has begun a large-scale military exercise in the Arctic waters on Thursday.
Authorities say, the drills involve 8-thousand soldiers, 460 armored vehicles, 120 aircraft, 40 tanks, as well as 50 warships.
In addition, air defense units armed with S-300 and S-400 and Pantsir S-1 air defense missiles have also left their garrison and have been deployed to training grounds.
The drill is being carried out in the Barents Sea, Kara Sea, and Laptev Sea.
Russia says the military drill is part of its mission to protect passage through the Northern Sea Route, while defending the fleet's garrison, and exploring potential combat areas.
Over to Hong Kong, where Hong Kong police on Thursday raided the shuttered Tiananmen Museum, that houses exhibits commemorating China's deadly crackdown in Tiananmen Square in 1989.
The raid came a day after police arrested four members of the group that ran the museum.
Officers of the newly created national security unit were seen carting away documents and exhibits from the museum.
Items include the giant logo of the museum, a paper model of the Goddess of Democracy, which was a symbol of the 1989 pro-democracy movement.
Items confiscated also include photos of the huge annual candlelight vigils Hong Kongers host for the victims of the Tiananmen Square massacre.
The museum is just the latest target of a sweeping national security law that Beijing imposed on Hong Kong last year, to quash dissent after massive pro-democracy protests.
The Hong Kong Alliance in Support of Patriotic Democratic Movements of China, or 'the alliance' for short, ran the shuttered museum.
The police have ordered the alliance to hand over financial and operational details, including personal details of all its members since its founding in 1989.
And finishing things off, Sotheby's on Thursday announced the sale of a private modern and contemporary art collection, featuring some of the greatest artists in history, valued at more than 600 million U.S. dollars.
The auction house says the value was the highest estimate ever placed on any collection to come to auction.
Real estate mogul Harry Macklowe and his wife Linda acquired the collection over the course of their decades-long marriage, before their 2018 divorce trial forced them to sell the collection and split the proceeds.
Sotheby's said it would offer the Macklowe Collection at two sales.
The first auction will feature iconic works from Andy Warhol and Mark Rothko, as well as Cy Twombly.
The auction is welcome news for the international art market, as it tries to rebound from the COVID-19 pandemic, which has driven down sales by 22-percent in 2020.
Lee Seung-jae, Arirang News.