The summer solstice occurs in the northern hemisphere when the sun is at the most acute angle above the horizon. It usually occurs on or about June 21.
North Korea's economy is in a dire state. Analysts estimate per capita income is $1,000-$2,000 (Â£640-Â£1,280) per year. Compare that with South Korea, where per capita income is almost $20,000. That means that even at the higher end of the range, North Koreans make just 10% of what their average southern counterparts make. One estimate says it works out to about $4 a day. However, information coming out of North Korea is very unreliable and so the numbers could be much worse.
South Lake Tahoe median household income is $41,380 in 2010-2014 and has grown by 19.23% since 2000. The income growth rate is much lower than the state average rate of 29.47% and is lower than the national average rate of 27.36%.