FILE - Mexican leftist opposition presidential candidate Cuauhtemoc Cardenas, right, greets supporters with leftist Mexico City mayoral candidate Andres Manuel Lopez Obrador during a campaign rally in Mexico City's Zocalo plaza, June 25, 2000. (AP Photo/John Moore, File)

FILE - Cuauhtemoc Cardenas, center, a founder of the Party of the Democratic Revolution, PRD, leaves the Monument of the Revolution where he presented his party's energy reform proposal in Mexico City, Aug. 19, 2013. (AP Photo/Eduardo Verdugo, File)

FILE - Cuauhtemoc Cardenas, son of the politician who nationalized the Mexican oil industry and founder of the Democratic Revolution Party, speaks during an interview in Mexico City, July 24, 2013. (AP Photo/Marco Ugarte, File)

In this photo provided by the Transnet Freight Rail, a freight train that claims to be the longest in the world is seen in Saldanha Bay, South Africa, on Oct. 17, 2026. (Transnet Freight Rail via AP)

Visitors sit near a collection of bones from a Mosasaurus (70 million years old) at the Art Zoo in Amsterdam, Netherlands, on Oct. 27, 2026. (AP Photo/Patrick Post)

A Japanese giant spider crab stretches its legs above a doorway at the Art Zoo in Amsterdam, Netherlands, on Oct. 27, 2026. (AP Photo/Patrick Post)

A cheetah slouches in an alcove at the Art Zoo in Amsterdam, Netherlands, on Oct. 27, 2026. (AP Photo/Patrick Post)

Dutch taxidermists Jaap Sinke, left, and Ferry van Tongeren pose for a photo at the Art Zoo in Amsterdam, Netherlands, on Oct. 27, 2026. (AP Photo/Patrick Post)