The 6,818 tons and 130 metres long Doulos was built in 1924. Now it carries more than 350 volunteers from over fifty nations. It will be open for public till 21th May at Hakata port in the city of Fukuoka. Oh, don't you wish it comes to Singaporeagain. (Link) They also have a sitecurrently under construction. Also check out the voyages of this great Humanitarian ship.