Columns of a Temple (Yemen, Arab Republic 1981)

Stamp Columns of a Temple it reflects the thematic directions:

A conference is a meeting, often lasting a few days, which is organized on a particular subject, or to bring together people who have a common interest. Conferences can be used as a form of group decision-making, although discussion, not always decisions, is the primary purpose of conferences. The term derives from the word confer.

A temple (from the Latin word templum) is a building reserved for religious or spiritual rituals and activities such as prayer and sacrifice. It is typically used for such buildings belonging to all faiths where a more specific term such as church, mosque or synagogue is not generally used in English. These include Hinduism, Buddhism, and Jainism among religions with many modern followers, as well as other ancient religions such as Ancient Egyptian religion.

Tourism is travel for pleasure or business; also the theory and practice of touring, the business of attracting, accommodating, and entertaining tourists, and the business of operating tours. Tourism may be international, or within the traveller's country. The World Tourism Organization defines tourism more generally, in terms which go "beyond the common perception of tourism as being limited to holiday activity only", as people "traveling to and staying in places outside their usual environment for not more than one consecutive year for leisure, business and other purposes". Tourism can be domestic or international, and international tourism has both incoming and outgoing implications on a country's balance of payments. Today, tourism is a major source of income for many countries, and affects the economy of both the source and host countries, in some cases being of vital importance.