Decorations are seen on the main Christmas tree lit up at Cathedral Square in Vilnius, Lithuania, Nov. 28, 2020. The annual lighting of the Vilnius' Christmas tree was held on Saturday evening, officially kicking off the holiday season celebrations in the Lithuanian capital. (Photo by Alfredas Pliadis/Xinhua)

The main Christmas tree is lit up at Cathedral Square in Vilnius, Lithuania, Nov. 28, 2020. The annual lighting of the Vilnius' Christmas tree was held on Saturday evening, officially kicking off the holiday season celebrations in the Lithuanian capital. (Photo by Alfredas Pliadis/Xinhua)

The main Christmas tree is lit up at Cathedral Square in Vilnius, Lithuania, Nov. 28, 2020. The annual lighting of the Vilnius' Christmas tree was held on Saturday evening, officially kicking off the holiday season celebrations in the Lithuanian capital. (Photo by Alfredas Pliadis/Xinhua)

The main Christmas tree is lit up at Cathedral Square in Vilnius, Lithuania, Nov. 28, 2020. The annual lighting of the Vilnius' Christmas tree was held on Saturday evening, officially kicking off the holiday season celebrations in the Lithuanian capital. (Photo by Alfredas Pliadis/Xinhua)

The main Christmas tree is lit up at Cathedral Square in Vilnius, Lithuania, Nov. 28, 2020. The annual lighting of the Vilnius' Christmas tree was held on Saturday evening, officially kicking off the holiday season celebrations in the Lithuanian capital. (Photo by Alfredas Pliadis/Xinhua)

The main Christmas tree is lit up at Cathedral Square in Vilnius, Lithuania, Nov. 28, 2020. The annual lighting of the Vilnius' Christmas tree was held on Saturday evening, officially kicking off the holiday season celebrations in the Lithuanian capital. (Photo by Alfredas Pliadis/Xinhua)