Design an ATM for London's Heathrow Airport.

Focus on the unique needs of travelers at Heathrow Airport when designing the ATM. Consider factors such as accessibility, language options, and the diverse range of currencies that international travelers may require. Think about the user journey, from locating the ATM to completing a transaction, and how to streamline this process for efficiency. Additionally, address security features and how the design can accommodate high foot traffic while ensuring a user-friendly experience. Lastly, consider any integration with airport services, such as flight information displays or nearby amenities.