📁 情人节
February 14th is the day for romance, hugs and kisses. Sites listed in this category should be suitable for visitors of all ages, but designed primarily for adult visitors. Sites provide material related to Valentine's Day, including historical background, holiday stories and poems, graphics, and ideas for celebrating. Sites may also provide information for parents and teachers, such as suggested family activities and lesson plans.
条目 (20+)
The Paleontology Portal: Careers
http://www.paleoportal.org/index.php?globalnav=doing_paleo§ionnav=careers&type_id=6
Howstuffworks: Why Do We Celebrate Labor Day?
http://people.howstuffworks.com/culture-traditions/holidays-other/question459.htm