Points for Attention in London

London is known for its quickly changeable weather with frequently short, but light rains. For travelers, waterproof jackets with a hat can be very practical.

London’s latitude position is above 51 degrees north, the day gets dark at around 16:00 in winter, but in summer, it still might be daytime around 20:00, so seasonal factors should be considered for travel arrangements.

In the UK, cars are driven on the left side of the road. Please check on the right side before you walk. Some pedestrian pavement lights need to be activated manually.

The entrance floor of a British building is usually referred to as "Layer 0" or "G layer." 

There is free "Tap Water" in London restaurants. Mineral water has 2 kinds: still water and sparkling water.