The video was filmed in Guazhou County in Gansu Province on July 25.
Whipps Cross Hospital in east London cancelled all surgery and outpatient appointments on Monday due to the heavy rain.
German Chancellor Angela Merkel was due to visit Schuld, a village near Ahrweiler that was devastated by the flooding, on Sunday.
Health authorities have warned people to practise caution in the hot weather, staying hydrated, applying sunscreen and not leaving children or pets in cars.
Officials fear that more bodies might be found in cars and trucks that were swept away.
The mercury could reach 32C in the south east, with dry and fine weather forecast for most of the UK.
Hundreds of people are still missing and thousands are homeless after days of heavy storms that caused flash floods in Germany and Belgium.
Temperatures are expected to reach highs of 31C (87.8F) on Sunday and Monday.
Authorities have declared an emergency in the affected region after days of heavy rain.
A video posted on Twitter showed water pouring down the stairs at Sloane Square tube station.
The majority of the deaths occurred in the western state of Rajasthan, where 11 people died after being struck by lightning near a watchtower at the 12th century Amber Fort, po…
The Met Office has said the forecast for Wembley on Sunday evening mirrors the conditions England’s 1966 team played in their winning final.
Heavy rain has been lashing across Japan since earlier this week.
The Met Office has issued yellow weather warnings for thunderstorms and downpours for much of central and western England.
Officials have set up cooling centres and distributed water to the homeless, as temperatures in some places reached 46C.
Environment Canada said the weather system had shattered 103 heat records.
The twister accompanied by thunder storms tore across the south eastern part of the country on Thursday night damaging thousands of buildings.
The previous high was 28.3C in Northolt, north-west London, on June 2.
Temperatures could hit 30C by Sunday afternoon, which would make it the warmest June 13 on record.
Sunday is predicted to be a ‘fine, dry day for most’ with highs of 29C in London, 23C in Edinburgh and 24C in Cardiff.
