Question: Besides the Irish Channel and the body of water by the city Caspar Voght died in, what else lowered in the last cold phase?

Knowledge 1: Caspar Voght
Caspar Voght (17 November 1752 – 20 March 1839), later Caspar Reichsfreiherr von Voght (more commonly known as Baron Caspar von Voght), was a German merchant and social reformer from Hamburg (today Germany). Together with his business partner and friend Georg Heinrich Sieveking he led one of the largest trading firms in Hamburg during the second half of the 18th Century. On numerous trade trips, he completely crossed the European continent. One of his greatest achievements was reforming the welfare system of Hamburg. From 1785 he dedicated himself to strengthening agricultural and horticultural projects and built a model agricultural community in Flottbek, close to the gates of Hamburg. [SEP] Knowledge 2: Rhine
The last glacial ran from ~74,000 (BP = Before Present), until the end of the Pleistocene (~11,600 BP). In northwest Europe, it saw two very cold phases, peaking around 70,000 BP and around 29,000–24,000 BP. The last phase slightly predates the global last ice age maximum (Last Glacial Maximum). During this time, the lower Rhine flowed roughly west through the Netherlands and extended to the southwest, through the English Channel and finally, to the Atlantic Ocean. The English Channel, the Irish Channel and most of the North Sea were dry land, mainly because sea level was approximately 120 m (390 ft) lower than today. [SEP] Knowledge 3: Hamburg
Hamburg is at a sheltered natural harbour on the southern fanning-out of the Jutland Peninsula, between Continental Europe to the south and Scandinavia to the north, with the North Sea to the west and the Baltic Sea to the northeast. It is on the River Elbe at its confluence with the Alster and Bille. The city centre is around the Binnenalster ("Inner Alster") and Außenalster ("Outer Alster"), both formed by damming the River Alster to create lakes. The islands of Neuwerk, Scharhörn, and Nigehörn, away in the Hamburg Wadden Sea National Park, are also part of the city of Hamburg.
Knowledge 1: Rhine
The last glacial ran from ~74,000 (BP = Before Present), until the end of the Pleistocene (~11,600 BP). In northwest Europe, it saw two very cold phases, peaking around 70,000 BP and around 29,000–24,000 BP. The last phase slightly predates the global last ice age maximum (Last Glacial Maximum). During this time, the lower Rhine flowed roughly west through the Netherlands and extended to the southwest, through the English Channel and finally, to the Atlantic Ocean. The English Channel, the Irish Channel and most of the North Sea were dry land, mainly because sea level was approximately 120 m (390 ft) lower than today. [SEP] Knowledge 2: Hamburg
Hamburg is at a sheltered natural harbour on the southern fanning-out of the Jutland Peninsula, between Continental Europe to the south and Scandinavia to the north, with the North Sea to the west and the Baltic Sea to the northeast. It is on the River Elbe at its confluence with the Alster and Bille. The city centre is around the Binnenalster ("Inner Alster") and Außenalster ("Outer Alster"), both formed by damming the River Alster to create lakes. The islands of Neuwerk, Scharhörn, and Nigehörn, away in the Hamburg Wadden Sea National Park, are also part of the city of Hamburg. [SEP] Knowledge 3: Caspar Voght
Caspar Voght (17 November 1752 – 20 March 1839), later Caspar Reichsfreiherr von Voght (more commonly known as Baron Caspar von Voght), was a German merchant and social reformer from Hamburg (today Germany). Together with his business partner and friend Georg Heinrich Sieveking he led one of the largest trading firms in Hamburg during the second half of the 18th Century. On numerous trade trips, he completely crossed the European continent. One of his greatest achievements was reforming the welfare system of Hamburg. From 1785 he dedicated himself to strengthening agricultural and horticultural projects and built a model agricultural community in Flottbek, close to the gates of Hamburg.
Knowledge 1: Caspar Voght
Caspar Voght (17 November 1752 – 20 March 1839), later Caspar Reichsfreiherr von Voght (more commonly known as Baron Caspar von Voght), was a German merchant and social reformer from Hamburg (today Germany). Together with his business partner and friend Georg Heinrich Sieveking he led one of the largest trading firms in Hamburg during the second half of the 18th Century. On numerous trade trips, he completely crossed the European continent. One of his greatest achievements was reforming the welfare system of Hamburg. From 1785 he dedicated himself to strengthening agricultural and horticultural projects and built a model agricultural community in Flottbek, close to the gates of Hamburg. [SEP] Knowledge 2: Rhine
The last glacial ran from ~74,000 (BP = Before Present), until the end of the Pleistocene (~11,600 BP). In northwest Europe, it saw two very cold phases, peaking around 70,000 BP and around 29,000–24,000 BP. The last phase slightly predates the global last ice age maximum (Last Glacial Maximum). During this time, the lower Rhine flowed roughly west through the Netherlands and extended to the southwest, through the English Channel and finally, to the Atlantic Ocean. The English Channel, the Irish Channel and most of the North Sea were dry land, mainly because sea level was approximately 120 m (390 ft) lower than today. [SEP] Knowledge 3: English Channel
The English Channel (French: la Manche, ``The Sleeve ''; German: Ärmelkanal,`` Sleeve Channel''; Breton: Mor Breizh, ``Sea of Brittany ''; Cornish: Mor Bretannek,`` British Sea''), also called simply the Channel, is the body of water that separates southern England from northern France, and links the southern part of the North Sea to the Atlantic Ocean. It is the busiest shipping area in the world.

Answer: English Channel