Dubai set a record last year with its sales of houses valued at $10 million or more. A total of 93 ultra-prime homes were sold in 2021, more than the previous five years combined, according to global property consultancy Knight Frank. 2021 accounted for 39 percent of all $10 million home sales in Dubai since 2010. Dubai’s residential market saw over 52,000 apartment and villa transactions in 2021,...