100m
20m
80m
60m
40m
40m
Qualified
scuba
diver’s limit
80 min
Time the two
divers spent
under the ice
96m
Height of
Big Ben clock
tower
-1.5C
Temperature
of the water
102m Saturday’s
record dive under ice
45m
Bottlenose
dolphin’s
usual limit
100m
20m
80m
60m
40m
40m
Qualified
scuba diver’s
limit
80 min
Time the two divers
spent under the ice
96m
Height of Big Ben
clock tower
-1.5C
Temperature
of the water
102m
Saturday’s record
dive under ice
45m
Bottlenose
dolphin’s
usual limit