On particularly sunny or windy days, leaders in renewable energy like Germany now produce more electricity from renewable sources than their grids can handle.

FORBES: We Live In An Age Of Energy Abundance

The California Zephyr was launched in 1949 to lure the latter, taking them on a 2, 500-mile journey between the Windy City and the Californian coast in three days.

BBC: Five unforgettable rail journeys

The weather for the next four days is set to warm up following a spell of cool, windy conditions in practice and should help scoring, alleviating the feeling in some quarters that the event has lost its magic following two years of harsh weather allied to a toughening up of the course.

BBC: Woods ready for Masters campaign