Christmas in Australia is often very hot. Whereas the northern hemisphere is in the middle of winter, Australians are baking in summer heat. It is not unusual to have Christmas Day well into the mid 30 degrees Celsius, or near 100 degrees Fahrenheit. A traditional meal includes a turkey dinner, with ham, and pork. A flaming Christmas plum pudding is added for dessert. In the Australian gold rushes, Christmas puddings often contained a gold nugget. Today a small favor is baked inside. Whoever finds this knows s/he will enjoy good luck. Another treat is Mince Pies. Some Australians and particularly tourists often have their Christmas dinner at midday on a local beach, Bondi Beach in Sydney's Eastern Suburbs attracts thousands of people on Christmas Day. Other families enjoy their day by having a picnic. If they are at home, the day is punctuated  by swimming in a pool, playing Cricket out the backyard, and other outdoor activities. The warm weather allows Australians to enjoy a tradition which started in 1937. Carols by Candlelight is held every year on Christmas Eve, where tens of thousands of people gather in the city of Melbourne to sing their favorite Christmas songs. The evening is lit by as many candles singing under a clean cut night sky. The sky with its Southern Cross stars is like a mirror. Sydney and the other capital cities also enjoy Carols in the weeks leading up to Christmas. Australians surround themselves with Christmas Bush, a native plant which has little red flowered leaves. It seems that people can enjoy Carols by Candlelight because of   _  .
the warm weather the Christmas Bush the activities at daytime the Southern Cross stars