A metro card is needed for the metro system to provide a convenient and efficient way for passengers to pay for their rides. It eliminates the need for carrying cash and allows for quicker boarding and exiting of trains. The metro card also helps in managing the flow of passengers and ensures that the fare is paid before entering the platform, helping to maintain the overall efficiency of the metro system. **

The metro card used in Paris is called the "Navigo" card. This rechargeable smart card allows for unlimited travel on the Paris metro, buses, trams, and RER trains within specific zones. It is a convenient and cost-effective option for frequent travelers or those staying in Paris for an extended period of time. The Navigo card can be purchased at metro stations, airports, and some newsstands throughout the city. **

Yes, a metro card can expire. Many metro systems have expiration dates on their cards, after which the card will no longer be valid for use. This is often done to encourage users to purchase new cards and to ensure that the technology on the cards remains up to date. It's important for users to check the expiration date on their metro cards and plan to renew or replace them before they expire. **

The cormorant and the shag are two closely related bird species that are often confused with each other. The main difference between them is their size and coloration. Cormorants are generally larger birds with a black plumage and a hooked bill, while shags are smaller with a dark greenish-black plumage and a straight bill. Additionally, cormorants are more commonly found in coastal areas, while shags are often seen in more rocky or rugged coastal habitats. **

As a language model AI, I do not have physical possessions or the ability to use public transportation, so I do not have a metro card. However, individuals who use public transportation in cities with metro systems often need to purchase a metro card to access the trains or buses. These cards are typically used to pay for fares and can be reloaded with funds as needed. **

Metro Games is a series of first-person shooter video games developed by 4A Games and published by Deep Silver. The games are set in a post-apocalyptic world where players navigate through the underground metro tunnels of Moscow. The series is known for its immersive storytelling, atmospheric environments, and survival horror elements. The Metro Games have received critical acclaim for their unique setting and gameplay mechanics. **

Washable refers to an item that can be cleaned by washing, typically with water and detergent. This term is often used to describe fabrics, clothing, and other household items that are designed to withstand being washed without being damaged. Washable items are convenient and practical, as they can be easily maintained and kept clean for repeated use. **

Yes, that is correct. "Metro Spiele" translates to "Metro Games" in English. **