The world's largest ro-ro passenger ship "MOBY LEGACY" moors at a port in Guangzhou, south China's Guangdong Province, Dec. 19, 2023. (Photo: China News Service/Chen Jimin) The luxury ro-ro passenger ship set sail to Italy on Tuesday.

The world's largest ro-ro passenger ship "MOBY LEGACY" moors at a port in Guangzhou, south China's Guangdong Province, Dec. 19, 2023. (Photo: China News Service/Chen Jimin)

The world's largest ro-ro passenger ship "MOBY LEGACY" moors at a port in Guangzhou, south China's Guangdong Province, Dec. 19, 2023. (Photo: China News Service/Chen Jimin)

An interior view of the world's largest ro-ro passenger ship "MOBY LEGACY" at a port in Guangzhou, south China's Guangdong Province, Dec. 19, 2023. (Photo: China News Service/Chen Jimin)

An interior view of the world's largest ro-ro passenger ship "MOBY LEGACY" at a port in Guangzhou, south China's Guangdong Province, Dec. 19, 2023. (Photo: China News Service/Chen Jimin)