Hong Kong Document of Identity for Visa Purposes Hong Kong Document of Identity for Visa Purposes The Hong Kong Special Administrative Region Document of Identity for Visa Purposes () is a biometric travel document issued by the Hong Kong Immigration Department to residents of Hong Kong who are unable to obtain a national passport. It is usually valid for seven years. The majority are issued to citizens of the People's Republic of China who have migrated to Hong Kong on a One-way Permit, have lost their mainland hukou thus are unable to obtain a PRC passport, but have not resided in Hong Kong for the 7 years required
What Is This Thing Called Love? (short story) other, and wind up engaging in reproductive activities after all. What Is This Thing Called Love? (short story) "What Is This Thing Called Love?" is a science fiction short story by Isaac Asimov. The story was requested by Cele Goldsmith Lalli, editor of "Amazing Stories", as a satire of an article in "Playboy" called "Girls of the Slime God" which had suggested that pulp science fiction stories were concerned with aliens and sex. The story appeared in the March 1961 issue of "Amazing" as "Playboy and the Slime God", but Asimov later retitled it "What Is This Thing Called Love?"