the stops for conventional trains. Hot-water is provided in almost every carriage for passengers to make tea or instant noodles. Smoking is generally not permitted in the accommodation or washroom areas of the trains but is allowed in the restaurant/cafe area and in the vestibules between the cars. On modern trains such as CRH or Beijing Suburban railway smoking is completely banned, with some smoke detectors connected to the brakes to stop the train, causing errant smokers facing hefty fines and penalties. On the Guangzhou–Kowloon cross-border train smoking is only permitted in the cafe car. E-tickets and Internet ticket purchase Since July 12, 2011, the e-ticket system has been firstly adopted on Beijing–Tianjin Intercity Railway. Since December 23, 2011, all tickets can be bought at the official ticket website (12306.cn) except for trains due to depart in less than two hours. Debit card and credit cards with the China UnionPay icon, Alipay, and WeChat Pay are accepted. Identification of one of the following types is required: ID card of PRC (1st or 2nd generation) Home Return Permit Hong Kong & Macau Resident to Mainland Permit or Mainland Resident to Hong Kong & Macau Permit Taiwan Resident to Mainland Permit or Mainland Resident to Taiwan Permit Valid Passport Check-in ID Card Applicable only to holders of a second-generation ID card: In lieu of the traditional paper ticket, passengers may swipe their cards to pass through automatic entry and exit gates at stations on the following routes: Beijing–Tianjin Intercity Railway Beijing–Shanghai High-Speed Railway (Except the CRH Bed train that runs through old Beijing–Shanghai Railway) Shanghai–Nanjing Intercity Railway Shanghai–Hangzhou Passenger Railway Wuhan–Guangzhou High-Speed Railway (Except the CRH train which does not run on this line but stops at Wuhan station) Guangzhou–Shenzhen–Hong Kong Express Rail Link Guangzhou–Shenzhen Railway (Except Guangzhou station) Guangzhou–Zhuhai Intercity Railway Hainan Eastern Ring High-Speed Railway (Except Haikou station) Fenghua station to Xiamen North station of Hangzhou–Fuzhou–Shenzhen High-Speed Railway plus Xiamen railway station and Fuzhou railway station Harbin-Dalian High-speed Railway Passengers checking in with their ID card may request a paper ticket within 31 days of completing their journey. Paper ticket Passengers without a second-generation ID card must collect paper tickets at the ticket windows of rail stations, or authorized ticket-selling agents (火车票代售点) whose shops can be found in cities throughout China. The e-ticket number as well as proper identification of all passengers are required. Tickets are checked at both departure