A boy takes a nap in a train as the annual Spring Festival travel rush begins ahead of the Chinese Lunar New Year, in Shijiazhuang, Hebei province, China January 10, 2020. Picture taken January 10, 2020. REUTERS/Jason Lee

Decoration parts for traditional-style lanterns are placed at a workshop ahead of Chinese Lunar New Year celebrations in Tuntoucun village, on the outskirts of Shijiazhuang, Hebei province, China, January 10, 2020. REUTERS/Jason Lee

Workers load boxes of lanterns onto a truck ahead of Chinese Lunar New Year celebrations in Tuntoucun village, on the outskirts of Shijiazhuang, Hebei province, China, January 10, 2020. REUTERS/Jason Lee

A worker places traditional-style lanterns at a workshop ahead of Chinese Lunar New Year celebrations in Tuntoucun village, on the outskirts of Shijiazhuang, Hebei province, China, January 10, 2020. REUTERS/Jason Lee

A worker makes traditional-style lanterns at a workshop ahead of Chinese Lunar New Year celebrations in Tuntoucun village, on the outskirts of Shijiazhuang, Hebei province, China, January 10, 2020. REUTERS/Jason Lee

A worker carries collected traditional-style lanterns at a workshop ahead of Chinese Lunar New Year celebrations in Tuntoucun village, on the outskirts of Shijiazhuang, Hebei province, China, January 10, 2020. REUTERS/Jason Lee

Workers make traditional-style lanterns at a workshop ahead of Chinese Lunar New Year celebrations in Tuntoucun village, on the outskirts of Shijiazhuang, Hebei province China, January 10, 2020. REUTERS/Jason Lee

A car drives past a giant traditional-style lantern on the way to Tuntoucun village, on the outskirts of Shijiazhuang, Hebei province, China, January 10, 2020. REUTERS/Jason Lee

A villager makes a frame for a giant traditional-style lantern at a yard ahead of Chinese Lunar New Year celebrations in Tuntoucun village, on the outskirts of Shijiazhuang, Hebei province, China, January 10, 2020. REUTERS/Jason Lee

Local villager Bai Junping's granddaughter looks out from a window next to a giant traditional-style lantern at his yard ahead of Chinese Lunar New Year celebrations in Tuntoucun village, on the outskirts of Shijiazhuang, Hebei province, China, January 10, 2020. REUTERS/Jason Lee

Local villager Bai Junping uses bamboo bars to make the frame for a giant traditional-style lantern at his yard ahead of Chinese Lunar New Year celebrations in Tuntoucun village, on the outskirts of Shijiazhuang, Hebei province, China, January 10, 2020. REUTERS/Jason Lee

Local villager Bai Junping uses bamboo bars to make the frame for a giant traditional-style lantern at his yard ahead of Chinese Lunar New Year celebrations in Tuntoucun village, on the outskirts of Shijiazhuang, Hebei province, China, January 10, 2020. REUTERS/Jason Lee

Local villager Bai Junping makes a giant traditional-style lantern at his yard ahead of Chinese Lunar New Year celebrations in Tuntoucun village, on the outskirts of Shijiazhuang, Hebei province, China, January 10, 2020. REUTERS/Jason Lee

Local villager Bai Junping works next to a giant traditional-style lantern at his yard ahead of Chinese Lunar New Year celebrations in Tuntoucun village, on the outskirts of Shijiazhuang, Hebei province, China, January 10, 2020. REUTERS/Jason Lee

Local villager Bai Junping makes a giant traditional-style lantern at his yard ahead of Chinese Lunar New Year celebrations in Tuntoucun village, on the outskirts of Shijiazhuang, Hebei province, China, January 10, 2020. REUTERS/Jason Lee

Local villager Bai Junping makes a giant traditional-style lantern at his yard ahead of Chinese Lunar New Year celebrations in Tuntoucun village, on the outskirts of Shijiazhuang, Hebei province, China, January 10, 2020. REUTERS/Jason Lee

Travellers board their train at a railway station as the annual Spring Festival travel rush begins ahead of the Chinese Lunar New Year, in Shijiazhuang, Hebei province, China January 10, 2020. REUTERS/Jason Lee

Travellers line up to board their train at a railway station as the annual Spring Festival travel rush begins ahead of the Chinese Lunar New Year, in Shijiazhuang, Hebei province, China January 10, 2020. REUTERS/Jason Lee TPX IMAGES OF THE DAY

Chinese Navy's destroyer Shijiazhuang takes part in a naval parade off the eastern port city of Qingdao, to mark the 70th anniversary of the founding of Chinese People's Liberation Army Navy, China, April 23, 2019. REUTERS/Jason Lee

Job seekers crowd a job fair at Liberation Square in Shijiazhuang, Hebei province, China February 25, 2018. Picture taken February 25, 2018. REUTERS/Jason Lee

A job seeker talks to a recruiter at a job fair at Liberation Square in Shijiazhuang, Hebei province, China February 25, 2018. Picture taken February 25, 2018. REUTERS/Jason Lee

A job seeker eats behind a booth at a job fair at Liberation Square in Shijiazhuang, Hebei province, China February 25, 2018. Picture taken February 25, 2018. REUTERS/Jason Lee

Job seekers attend a job fair at Liberation Square in Shijiazhuang, Hebei province, China February 25, 2018. Picture taken February 25, 2018. REUTERS/Jason Lee

A job seeker talks on the phone at a job fair at Liberation Square in Shijiazhuang, Hebei province, China February 25, 2018. Picture taken February 25, 2018. REUTERS/Jason Lee

Recruiters talk to job seekers in booths at a job fair at Liberation Square in Shijiazhuang, Hebei province, China February 25, 2018. Picture taken February 25, 2018. REUTERS/Jason Lee

A job seeker looks at offers at a job fair at Liberation Square in Shijiazhuang, Hebei province, China February 25, 2018. Picture taken February 25, 2018. REUTERS/Jason Lee

Job seekers crowd a job fair at Liberation Square in Shijiazhuang, Hebei province, China February 25, 2018. Picture taken February 25, 2018. REUTERS/Jason Lee

A job seeker talks on the phone at a job fair at Liberation Square in Shijiazhuang, Hebei province, China February 25, 2018. Picture taken February 25, 2018. REUTERS/Jason Lee

Job seekers attend a job fair at Liberation Square in Shijiazhuang, Hebei province, China February 25, 2018. Picture taken February 25, 2018. REUTERS/Jason Lee

Job seekers crowd a job fair at Liberation Square in Shijiazhuang, Hebei province, China February 25, 2018. Picture taken February 25, 2018. REUTERS/Jason Lee

Recruiter Wang Yandong walks along the booths as she poses for the media at a job fair at Liberation Square in Shijiazhuang, Hebei province, China February 25, 2018. Picture taken February 25, 2018. REUTERS/Jason Lee

Company brochures litter the floor at a job fair at Liberation Square in Shijiazhuang, Hebei province, China February 25, 2018. Picture taken February 25, 2018. REUTERS/Jason Lee

A recruiter waits for job seekers at a job fair at Liberation Square in Shijiazhuang, Hebei province, China February 25, 2018. Picture taken February 25, 2018. REUTERS/Jason Lee

Job seekers crowd a job fair at Liberation Square in Shijiazhuang, Hebei province, China February 25, 2018. Picture taken February 25, 2018. REUTERS/Jason Lee

Job seekers listen to a recruiter at a job fair at Liberation Square in Shijiazhuang, Hebei province, China February 25, 2018. Picture taken February 25, 2018. REUTERS/Jason Lee

Recruiters have lunch at a job fair at Liberation Square in Shijiazhuang, Hebei province, China February 25, 2018. Picture taken February 25, 2018. REUTERS/Jason Lee

A job seeker looks at offers at a job fair at Liberation Square in Shijiazhuang, Hebei province, China February 25, 2018. Picture taken February 25, 2018. REUTERS/Jason Lee

A job seeker tries to get information at a booth at a job fair at Liberation Square in Shijiazhuang, Hebei province, China February 25, 2018. Picture taken February 25, 2018. REUTERS/Jason Lee

Job seekers attend a job fair at Liberation Square in Shijiazhuang, Hebei province, China February 25, 2018. Picture taken February 25, 2018. REUTERS/Jason Lee

Job seekers stand next to salary information at a job fair at Liberation Square in Shijiazhuang, Hebei province, China February 25, 2018. Picture taken February 25, 2018. REUTERS/Jason Lee

Fujian-native Chen Jianming stands in the entrance to his restaurant that relies on customers who are workers from nearby ceramics factories in rural Gaoyi county near Shijiazhuang, Hebei province, China, December 6, 2017. Picture taken December 6, 2017. REUTERS/Thomas Peter

Smoke billows from a chimney as workers leave a factory in rural Gaoyi county, known for its ceramics production, near Shijiazhuang, Hebei province, China, December 7, 2017. Picture taken December 7, 2017. REUTERS/Thomas Peter

A security guard sits in the showroom of the Hebei Yilong Ceramics Co floor-tile factory in rural Gaoyi county near Shijiazhuang, Hebei province, China, December 6, 2017. Picture taken December 6, 2017. REUTERS/Thomas Peter

Fujian-native Chen Jianming sits in his restaurant which relies on customers who are workers from nearby ceramics factories in rural Gaoyi county near Shijiazhuang, Hebei province, China, December 6, 2017. Picture taken December 6, 2017. REUTERS/Thomas Peter

A worker stands at the gate of the Hebei Yilong Ceramics Co floor-tile factory in rural Gaoyi county near Shijiazhuang, Hebei province, China, December 6, 2017. Picture taken December 6, 2017. REUTERS/Thomas Peter

A man collects recyclablesr from an alley as smoke billows from the chimney of a factory in rural Gaoyi county, known for its ceramics production, near Shijiazhuang, Hebei province, China, December 7, 2017. Picture taken December 7, 2017. REUTERS/Thomas Peter

An electronic board displays air quality data at the gate of a ceramics factory in rural Gaoyi county near Shijiazhuang, Hebei province, China, December 6, 2017. Picture taken December 6, 2017. REUTERS/Thomas Peter

A man collecting recyclables pushes a bicycle past trucks that are parked outside ceramics factories in rural Gaoyi county near Shijiazhuang, Hebei province, China, December 7, 2017. Picture taken December 7, 2017. REUTERS/Thomas Peter

A man walks through an alley between residential houses that have recently been equipped with yellow gas pipelines and meters in Shijiazhuang, Hebei province, China, December 7, 2017. Picture taken December 7, 2017. REUTERS/Thomas Peter

A worker drives a motorised vehicle past trucks parked outside ceramics factories in rural Gaoyi county near Shijiazhuang, Hebei province, China, December 6, 2017. Picture taken December 6, 2017. REUTERS/Thomas Peter

People work in a market for building supplies where traders say business is down due to falling demand and supply shortages in Shijiazhuang, Hebei province, China, December 6, 2017. Picture taken December 6, 2017. REUTERS/Thomas Peter

A man rides a motobike past a dormant ceramics factory in rural Gaoyi county near Shijiazhuang, Hebei province, China, December 6, 2017. Picture taken December 6, 2017. REUTERS/Thomas Peter

An electronic board displays air quality data at the gate of a ceramics factory in rural Gaoyi county near Shijiazhuang, Hebei province, China, December 6, 2017. Picture taken December 6, 2017. REUTERS/Thomas Peter

A worker drives a motorised vehicle past trucks parked outside ceramics factories in rural Gaoyi county near Shijiazhuang, Hebei province, China, December 6, 2017. Picture taken December 6, 2017. REUTERS/Thomas Peter

Fujian-native Chen Jianming sits in his restaurant which relies on customers who are workers from nearby ceramics factories in rural Gaoyi county near Shijiazhuang, Hebei province, China, December 6, 2017. Picture taken December 6, 2017. REUTERS/Thomas Peter

A man collecting recyclables pushes a bicycle past trucks that are parked outside ceramics factories in rural Gaoyi county near Shijiazhuang, Hebei province, China, December 7, 2017. Picture taken December 7, 2017. REUTERS/Thomas Peter

A man walks through an alley between residential houses that have recently been equipped with yellow gas pipelines and meters in Shijiazhuang, Hebei province, China, December 7, 2017. Picture taken December 7, 2017. REUTERS/Thomas Peter

Fujian-native Chen Jianming stands in the entrance to his restaurant that relies on customers who are workers from nearby ceramics factories in rural Gaoyi county near Shijiazhuang, Hebei province, China, December 6, 2017. Picture taken December 6, 2017. REUTERS/Thomas Peter

A security guard sits in the showroom of the Hebei Yilong Ceramics Co floor-tile factory in rural Gaoyi county near Shijiazhuang, Hebei province, China, December 6, 2017. Picture taken December 6, 2017. REUTERS/Thomas Peter

Smoke billows from a chimney as workers leave a factory in rural Gaoyi county, known for its ceramics production, near Shijiazhuang, Hebei province, China, December 7, 2017. Picture taken December 7, 2017. REUTERS/Thomas Peter