Article continues below advertisementDonald Trump was visibly fatigued as he arrived in Davos, Switzerland, for the 2026 World Economic Forum.The 79-year-old president was captured by cameras on the airstrip on Wednesday, January 21, descending Air Force One's stairs very slowly, seemingly to avoid taking a tumble. Trump's arrival in Davos, a town in the Swiss Alps, was delayed after an electrical issue with AF-1 forced the aircraft to return to Washington, D.C., on Tuesday night.Article continues below advertisementSource: @RamboAndFrensAir Force One returned to Washington, D.C.