Staff members check the engines of an aircraft at a maintenance base of the China Southern Airlines in Haikou, capital of south China's Hainan Province, Jan. 28, 2018. The China Southern Airlines conducts safety check on its planes for the upcoming travel rush for the Spring Festival, or Chinese Lunar New Year. (Xinhua/Chu Hongyu)
Staff members check the circuit of an aircraft at a maintenance base of the China Southern Airlines in Haikou, capital of south China's Hainan Province, Jan. 28, 2018. The China Southern Airlines conducts safety check on its planes for the upcoming travel rush for the Spring Festival, or Chinese Lunar New Year. (Xinhua/Chu Hongyu)
A staff member checks the luggage shelf of an aircraft at a maintenance base of the China Southern Airlines in Haikou, capital of south China's Hainan Province, Jan. 28, 2018. The China Southern Airlines conducts safety check on its planes for the upcoming travel rush for the Spring Festival, or Chinese Lunar New Year. (Xinhua/Chu Hongyu)
Staff members check the cockpit of an aircraft at a maintenance base of the China Southern Airlines in Haikou, capital of south China's Hainan Province, Jan. 28, 2018. The China Southern Airlines conducts safety check on its planes for the upcoming travel rush for the Spring Festival, or Chinese Lunar New Year. (Xinhua/Chu Hongyu)
Lanzhou railway policeman Lin Wei (R) checks the fire blanket on a bullet train on Jan. 24, 2018. Lanzhou railway police started a week-long fire security check Wednesday to ensure transportation safety for the Spring Festival travel period. (Xinhua/Chen Bin)
Lanzhou railway policeman Lin Wei checks escape hammers on a bullet train on Jan. 24, 2018. Lanzhou railway police started a week-long fire security check Wednesday to ensure transportation safety for the Spring Festival travel period. (Xinhua/Chen Bin)
Lanzhou railway policeman Luo Xiangdong (R) checks extinguishers on a bullet train on Jan. 24, 2018. Lanzhou railway police started a week-long fire security check Wednesday to ensure transportation safety for the Spring Festival travel period. (Xinhua/Chen Bin)
Staff workers maintain locomotives in Hangzhou, east China's Zhejiang Province, Jan. 18, 2018. Local railway staff checked locomotives to ensure the safety during the upcoming Spring Festival travel rush. (Xinhua/Han Chuanhao)
Staff workers maintain locomotives in Hangzhou, east China's Zhejiang Province, Jan. 18, 2018. Local railway staff checked locomotives to ensure the safety during the upcoming Spring Festival travel rush. (Xinhua/Han Chuanhao)
Staff workers maintain locomotives in Hangzhou, east China's Zhejiang Province, Jan. 18, 2018. Local railway staff checked locomotives to ensure the safety during the upcoming Spring Festival travel rush. (Xinhua/Han Chuanhao)
Staff workers maintain the connection system of a locomotive in Xiangyang, central China's Hubei Province, Jan. 16, 2018. Local railway staff checked some 400 locomotives of Wuhan railway bureau to ensure the safety during the upcoming Spring Festival travel rush. (Xinhua/Yang Dong)
Staff workers maintain locomotives in Xiangyang, central China's Hubei Province, Jan. 16, 2018. Local railway staff checked some 400 locomotives of Wuhan railway bureau to ensure the safety during the upcoming Spring Festival travel rush. (Xinhua/Yang Dong)
A staff worker maintains the brake system of a locomotive in Xiangyang, central China's Hubei Province, Jan. 16, 2018. Local railway staff checked some 400 locomotives of Wuhan railway bureau to ensure the safety during the upcoming Spring Festival travel rush. (Xinhua/Yang Dong)
A staff member works at an overhaul service center for bullet trains in Guiyang, capital of southwest China's Guizhou Province, Jan. 15, 2018. (Xinhua/Liu Xu)
A staff member works at an overhaul service center for bullet trains in Guiyang, capital of southwest China's Guizhou Province, Jan. 15, 2018. (Xinhua/Liu Xu)
Passengers wait for K4173 train to departure in Hangzhou, capital of east China's Zhejiang Province, Jan. 25, 2018. The first extra train for the 2018 Spring Festival travel rush from the railway station of Hangzhou, east China, to Chongqing, southwest China, took into operation Thursday. (Xinhua/Weng Xinyang)
Staff members distribute ornaments with character"Lucky" to passengers on K4173 train in Hangzhou, capital of east China's Zhejiang Province, Jan. 25, 2018. The first extra train for the 2018 Spring Festival travel rush from the railway station of Hangzhou, east China, to Chongqing, southwest China, took into operation Thursday. (Xinhua/Weng Xinyang)
Passengers have the tickts checked to board K4173 train in Hangzhou, capital of east China's Zhejiang Province, Jan. 25, 2018. The first extra train for the 2018 Spring Festival travel rush from the railway station of Hangzhou, east China, to Chongqing, southwest China, took into operation Thursday. (Xinhua/Weng Xinyang)
Crew members of Nanchang Passenger Transport Department take part in the etiquette training at Nanchang West Railway Station, east China's Jiangxi Province, Jan. 27, 2018. Etiquette training, safety training and emergency response exercise were held by Nanchang Passenger Transport Department to guarantee the safety and smoothness of road traffic during the upcoming travel rush for the Spring Festival, or Chinese Lunar New Year. (Xinhua/Peng Zhaozhi)
Crew members of Nanchang Passenger Transport Department take part in the safety training at Nanchang West Railway Station, east China's Jiangxi Province, Jan. 27, 2018. Etiquette training, safety training and emergency response exercise were held by Nanchang Passenger Transport Department to guarantee the safety and smoothness of road traffic during the upcoming travel rush for the Spring Festival, or Chinese Lunar New Year. (Xinhua/Peng Zhaozhi)
Crew members of Nanchang Passenger Transport Department take part in the safety training at Nanchang West Railway Station, east China's Jiangxi Province, Jan. 27, 2018. Etiquette training, safety training and emergency response exercise were held by Nanchang Passenger Transport Department to guarantee the safety and smoothness of road traffic during the upcoming travel rush for the Spring Festival, or Chinese Lunar New Year. (Xinhua/Peng Zhaozhi)
Staff workers sweep snow covered on a bullet train for temporary stop at a maintenance station in Hefei, east China's Anhui Province, Jan. 25, 2018. Snow has disrupted railway transportation in some areas of Anhui since Jan. 24. Some trains influenced by the snowfall stopped at the maintenance station in Hefei for power supply and winter protection. (Xinhua/Guo Chen)
Staff workers check bullet trains for temporary stop at a maintenance station in Hefei, east China's Anhui Province, Jan. 25, 2018. Snow has disrupted railway transportation in some areas of Anhui since Jan. 24. Some trains influenced by the snowfall stopped at the maintenance station in Hefei for power supply and winter protection. (Xinhua/Guo Chen)
Staff workers sweep snow at a bullet train maintenance station in Hefei, east China's Anhui Province, Jan. 25, 2018. Snow has disrupted railway transportation in some areas of Anhui since Jan. 24. Some trains influenced by the snowfall stopped at the maintenance station in Hefei for power supply and winter protection. (Xinhua/Guo Chen)
Passengers are seen at a waiting room of Hangzhou East Railway Station in Hangzhou, east China's Zhejiang Province, Jan. 25, 2018. Snow on Thursday hit east China's Anhui, Jiangsu, Zhejiang provinces and Shanghai, leading the delay of many trains. (Xinhua/Xing Guangli)
Passengers are seen at a waiting room of Hangzhou East Railway Station in Hangzhou, east China's Zhejiang Province, Jan. 25, 2018. Snow on Thursday hit east China's Anhui, Jiangsu, Zhejiang provinces and Shanghai, leading the delay of many trains. (Xinhua/Xing Guangli)
A bullet train arrives at Hangzhou East Railway Station in Hangzhou, east China's Zhejiang Province, Jan. 25, 2018. Snow on Thursday hit east China's Anhui, Jiangsu, Zhejiang provinces and Shanghai, leading the delay of many trains. (Xinhua/Xing Guangli)
Members of a deicing team check tools ahead of work in Guanyintang Township of Sanmenxia City, central China's Henan Province, Jan. 25, 2018. The team's work is removing ice hanging on the wall of the tunnel to ensure railway transportation safety in winter. (Xinhua/Li An)
Members of a deicing team walk along rails in Guanyintang Township of Sanmenxia City, central China's Henan Province, Jan. 25, 2018. The team's work is removing ice hanging on the wall of the tunnel to ensure railway transportation safety in winter. (Xinhua/Li An)
A member of a deicing team works at Guanyintang Tunnel in Sanmenxia City, central China's Henan Province, Jan. 25, 2018. The team's work is removing ice hanging on the wall of the tunnel to ensure railway transportation safety in winter. (Xinhua/Li An)
