Paris 2024 sold a record 12 million tickets for the Olympics and Paralympics, beating the Games record previously set by London 2012, organisers said on Sunday.
Palfrey's comments triggered a fierce reaction from team officials and the Australian Olympic Committee.
Lin clinched gold in the women's boxing final match on Sunday, an emotional win that came as she and Algerian boxer Imane Khelif have been embroiled in a major row over their gender eligibility.
Tennis was introduced to China in the 1860s, but it failed to gain mass appeal and was largely an elite sport reserved for the wealthiest families.
The Australian Olympic Committee has decried a "misleading and bullying" online petition that described Gunn's performance as "unethical" and questioned how she was chosen for Paris.
Indian wrestler Vinesh Phogat on Thursday lost her appeal to the Court of Arbitration for Sport (CAS) after her disqualification from the women's 50kg final at the Paris Olympics for being overweight.
The athletes, fresh from a national record 53 Olympic medal trawl, were asked about absent colleague b-girl Rachael "Raygun" Gunn.
Australia's Olympic team, including gold medallists Jessica Fox, Kaylee McKeown and Ariarne Titmus, arrived back in Sydney on Wednesday to a rapturous welcome from friends, family and Prime Minister Anthony Albanese.
Pan smashed his own record with a time of 46.40 seconds in the last race of the night at the La Defense Arena on Wednesday. Australian silver medallist Kyle Chalmers was a massive 1.08 seconds behind.
With her victory, Yang added "Olympic champion" to a resume that already included world record-holder and 2017 world champion.
An ambition from Paris Olympics organisers to cut the carbon footprint of catering at this year's eco-friendly Games has run into a problem: the huge appetites of meat-loving athletes.
Ecuador's Brian Pintado won the first athletics Olympic gold medal of the Paris Games on Thursday with victory in the men's 20-kilometre walk.
Defending champions Canada reached the quarterfinals of the women's Olympic football tournament on Wednesday thanks to a 1-0 win over Colombia in Nice hours after they had an appeal against their six-point deduction dismissed.
Rafael Nadal admitted he may have played at Roland Garros for the final time after he and Carlos Alcaraz were dumped out of the Olympics men's doubles on Wednesday.
There will be 18 gold medals up for grabs in France, including four each in rowing and swimming, plus two each in judo, sailing and athletics, while Olympic champions will also be crowned in shooting, artistic gymnastics, and fencing.
Pan powered to the finish in 46.40sec, beating the world record time of 46.80 he had set in February in Doha. It was China's first swimming gold of the Paris Games.
American great Ledecky again set new standards, cementing her reputation as the greatest distance swimmer the sport has known.
Nadal ends the Games without the third Olympic gold medal he craved on what could well be his last appearance on his beloved Parisian clay.