Workers inspect a tunnel that is part of Line 22 of Beijing\’s urban railway transit network, which passes through Langfang, Hebei province, last month. The line will link the capital\’s Pinggu district
Enjoy life, Inspiring work
Enjoy life, Inspiring work
Workers inspect a tunnel that is part of Line 22 of Beijing\’s urban railway transit network, which passes through Langfang, Hebei province, last month. The line will link the capital\’s Pinggu district