BUDAPEST/BUCHAREST, Aug 13 (Reuters) - Record low river levels have left Hungary straining to keep its nuclear power plant running while Romania was forced to shut down its last working reactor, raising questions about how to adapt atomic energy to an increasingly extreme climate.

Extreme heat and drought are now showing up starkly on the Danube in Budapest and beyond, where the river has dropped lower than ever before on record. That decline has already hit critical infrastructure: one reactor in Hungary cut output and another in Romania was shut down after the river no longer provided enough cooling water.

As wildfires rage in France and Spain and a renewed heat wave is bearing down on Western Europe, a prolonged drought half a continent away is setting record low water levels on one of Europe’s largest rivers,

The record-low water level of the Danube, caused by heat and drought, has brought river cruise ship traffic to a standstill on the Budapest section of the river.

A motorcycle used more than 80 years ago in World War II has been found and rescued by a team of experts in the most unlikely of places.