Several guests have posted images online showing old photos of themselves in Airbnb properties. The pictures were taken long prior to their stays. In a European capital, officials checked listings in buildings flagged for earthquake risks. Some belonged to Airbnb and Booking.com. One woman from Liverpool plummeted from a balcony while sleepwalking. Cops now review the case after video surfaced. Another incident involves a poker player assaulted at an Airbnb site. Police examine footage from the incident.