The city lights of Tianjin, Langfang, and Beijing, three cities in China

iss072e401952 (Dec. 21, 2024) --- The city lights (from left) of Tianjin, Langfang, and Beijing, three cities in China with a combined population of about 41.2 million, are pictured at approximately 4 a.m. local time from the International Space Station as it orbited 259 miles above the Asian nation.