A plastic bottle is seen on a puddle of oil next to a control valve in an exploration and production header near the Olmeca oil refinery belonging to the company Petroleos Mexicanos (PEMEX) which, along with six others, is part of the National Refining System (SNR) located in Paraiso, Tabasco state, Mexico on May 20, 2024. While the north of Mexico is home to industrial hubs closely linked to the neighboring United States, the world's largest economy, the south has historically lagged behind economically, prompting Mexico's outgoing President Andres Manuel Lopez Obrador to pursue economic development projects for the region. (Photo by Yuri CORTEZ / AFP)